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September Weather in Roquebrune-sur-Argens France

Daily high temperatures decrease by 8°F, from 82°F to 74°F, rarely falling below 68°F or exceeding 87°F.

Daily low temperatures decrease by 6°F, from 61°F to 55°F, rarely falling below 49°F or exceeding 66°F.

For reference, on August 4, the hottest day of the year, temperatures in Roquebrune-sur-Argens typically range from 65°F to 86°F, while on January 12, the coldest day of the year, they range from 36°F to 54°F.

Average High and Low Temperature in September in Roquebrune-sur-Argens

Average High and Low Temperature in September in Roquebrune-sur-ArgensSep11223344556677889910101111121213131414151516161717181819192020212122222323242425252626272728282929303040°F40°F45°F45°F50°F50°F55°F55°F60°F60°F65°F65°F70°F70°F75°F75°F80°F80°F85°F85°F90°F90°F95°F95°FAugOctSep 182°FSep 182°F61°F61°FSep 3074°FSep 3074°F55°F55°FSep 1179°FSep 1179°F59°F59°FSep 2176°FSep 2176°F57°F57°F
The daily average high (red line) and low (blue line) temperature, with 25th to 75th and 10th to 90th percentile bands. The thin dotted lines are the corresponding average perceived temperatures.

The figure below shows you a compact characterization of the hourly average temperatures for the quarter of the year centered on September. The horizontal axis is the day, the vertical axis is the hour of the day, and the color is the average temperature for that hour and day.

Average Hourly Temperature in September in Roquebrune-sur-Argens

Average Hourly Temperature in September in Roquebrune-sur-ArgensSep11223344556677889910101111121213131414151516161717181819192020212122222323242425252626272728282929303012 AM12 AM2 AM2 AM4 AM4 AM6 AM6 AM8 AM8 AM10 AM10 AM12 PM12 PM2 PM2 PM4 PM4 PM6 PM6 PM8 PM8 PM10 PM10 PM12 AM12 AMAugOctcoldcoolcomfortablewarmhotcold
frigid 15°F freezing 32°F very cold 45°F cold 55°F cool 65°F comfortable 75°F warm 85°F hot 95°F sweltering
The average hourly temperature, color coded into bands. The shaded overlays indicate night and civil twilight.

Pioneer, California, United States (5,894 miles away) and Tumut, Australia (10,341 miles) are the far-away foreign places with temperatures most similar to Roquebrune-sur-Argens (view comparison).

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The month of September in Roquebrune-sur-Argens experiences rapidly increasing cloud cover, with the percentage of time that the sky is overcast or mostly cloudy increasing from 28% to 42%.

The clearest day of the month is September 1, with clear, mostly clear, or partly cloudy conditions 72% of the time.

For reference, on October 21, the cloudiest day of the year, the chance of overcast or mostly cloudy conditions is 48%, while on July 20, the clearest day of the year, the chance of clear, mostly clear, or partly cloudy skies is 82%.

Cloud Cover Categories in September in Roquebrune-sur-Argens

Cloud Cover Categories in September in Roquebrune-sur-ArgensSep1122334455667788991010111112121313141415151616171718181919202021212222232324242525262627272828292930300%100%10%90%20%80%30%70%40%60%50%50%60%40%70%30%80%20%90%10%100%0%AugOctSep 172%Sep 172%Sep 3058%Sep 3058%Sep 1168%Sep 1168%Sep 2163%Sep 2163%clearmostly clearpartly cloudymostly cloudyovercast
0% clear 20% mostly clear 40% partly cloudy 60% mostly cloudy 80% overcast 100%
The percentage of time spent in each cloud cover band, categorized by the percentage of the sky covered by clouds.

A wet day is one with at least 0.04 inches of liquid or liquid-equivalent precipitation. In Roquebrune-sur-Argens, the chance of a wet day over the course of September is very rapidly increasing, starting the month at 13% and ending it at 21%.

For reference, the year's highest daily chance of a wet day is 24% on November 1, and its lowest chance is 5% on July 14.

Probability of Precipitation in September in Roquebrune-sur-Argens

The percentage of days in which various types of precipitation are observed, excluding trace quantities: rain alone, snow alone, and mixed (both rain and snow fell in the same day).

Rainfall

To show variation within the month and not just the monthly total, we show the rainfall accumulated over a sliding 31-day period centered around each day.

The average sliding 31-day rainfall during September in Roquebrune-sur-Argens is rapidly increasing, starting the month at 1.4 inches, when it rarely exceeds 3.3 inches or falls below 0.2 inches, and ending the month at 2.6 inches, when it rarely exceeds 5.7 inches or falls below 0.4 inches.

Average Monthly Rainfall in September in Roquebrune-sur-Argens

The average rainfall (solid line) accumulated over the course of a sliding 31-day period centered on the day in question, with 25th to 75th and 10th to 90th percentile bands. The thin dotted line is the corresponding average snowfall.

Over the course of September in Roquebrune-sur-Argens, the length of the day is rapidly decreasing. From the start to the end of the month, the length of the day decreases by 1 hour, 25 minutes, implying an average daily decrease of 2 minutes, 55 seconds, and weekly decrease of 20 minutes, 28 seconds.

The shortest day of the month is September 30, with 11 hours, 46 minutes of daylight and the longest day is September 1, with 13 hours, 10 minutes of daylight.

Hours of Daylight and Twilight in September in Roquebrune-sur-Argens

Hours of Daylight and Twilight in September in Roquebrune-sur-ArgensSep1122334455667788991010111112121313141415151616171718181919202021212222232324242525262627272828292930300 hr24 hr4 hr20 hr8 hr16 hr12 hr12 hr16 hr8 hr20 hr4 hr24 hr0 hrAugOctSep 2212 hr, 9 minSep 2212 hr, 9 minnightnightdaydaySep 113 hr, 10 minSep 113 hr, 10 min
The number of hours during which the Sun is visible (black line). From bottom (most yellow) to top (most gray), the color bands indicate: full daylight, twilight (civil, nautical, and astronomical), and full night.

The earliest sunrise of the month in Roquebrune-sur-Argens is 6:57 AM on September 1 and the latest sunrise is 32 minutes later at 7:30 AM on September 30.

The latest sunset is 8:08 PM on September 1 and the earliest sunset is 52 minutes earlier at 7:15 PM on September 30.

Daylight saving time is observed in Roquebrune-sur-Argens during 2024, but it neither starts nor ends during September, so the entire month is in standard time.

For reference, on June 20, the longest day of the year, the Sun rises at 5:52 AM and sets 15 hours, 25 minutes later, at 9:17 PM, while on December 21, the shortest day of the year, it rises at 8:03 AM and sets 8 hours, 57 minutes later, at 5:00 PM.

Sunrise & Sunset with Twilight and Daylight Saving Time in September in Roquebrune-sur-Argens

Sunrise & Sunset with Twilight and Daylight Saving Time in September in Roquebrune-sur-ArgensSep1122334455667788991010111112121313141415151616171718181919202021212222232324242525262627272828292930302 AM4 AM6 AM8 AM10 AM12 PM2 PM4 PM6 PM8 PM10 PM12 AMAugOct6:57 AM6:57 AMSep 18:08 PMSep 18:08 PM7:30 AM7:30 AMSep 307:15 PMSep 307:15 PM7:08 AM7:08 AMSep 117:50 PMSep 117:50 PMSolarMidnightSolarMidnightSolarNoonSunriseSunset
The solar day over the course of September. From bottom to top, the black lines are the previous solar midnight, sunrise, solar noon, sunset, and the next solar midnight. The day, twilights (civil, nautical, and astronomical), and night are indicated by the color bands from yellow to gray.

The figure below presents a compact representation of the sun's elevation (the angle of the sun above the horizon) and azimuth (its compass bearing) for every hour of every day in the reporting period. The horizontal axis is the day of the year and the vertical axis is the hour of the day. For a given day and hour of that day, the background color indicates the azimuth of the sun at that moment. The black isolines are contours of constant solar elevation.

Solar Elevation and Azimuth in September in Roquebrune-sur-Argens

Solar Elevation and Azimuth in September in Roquebrune-sur-ArgensSep11223344556677889910101111121213131414151516161717181819192020212122222323242425252626272728282929303012 AM12 AM2 AM2 AM4 AM4 AM6 AM6 AM8 AM8 AM10 AM10 AM12 PM12 PM2 PM2 PM4 PM4 PM6 PM6 PM8 PM8 PM10 PM10 PM12 AM12 AMAugOct0010102020303040405000101020203030405060
northeastsouthwest
Solar elevation and azimuth over the course of September 2024. The black lines are lines of constant solar elevation (the angle of the sun above the horizon, in degrees). The background color fills indicate the azimuth (the compass bearing) of the sun. The lightly tinted areas at the boundaries of the cardinal compass points indicate the implied intermediate directions (northeast, southeast, southwest, and northwest).

The figure below presents a compact representation of key lunar data for September 2024. The horizontal axis is the day, the vertical axis is the hour of the day, and the colored areas indicate when the moon is above the horizon. The vertical gray bars (new Moons) and blue bars (full Moons) indicate key Moon phases. The label associated with each bar indicates the date and time that the phase is obtained, and the companion time labels indicate the rise and set times of the Moon for the nearest time interval in which the moon is above the horizon.

Moon Rise, Set & Phases in September in Roquebrune-sur-Argens

Moon Rise, Set & Phases in September in Roquebrune-sur-ArgensSep11223344556677889910101111121213131414151516161717181819192020212122222323242425252626272728282929303012 AM12 AM4 AM4 AM8 AM8 AM12 PM12 PM4 PM4 PM8 PM8 PM12 AM12 AMAugOctAug 41:14 PMAug 41:14 PMAug 198:26 PMAug 198:26 PMSep 33:56 AMSep 33:56 AMSep 184:35 AMSep 184:35 AMOct 28:50 PMOct 28:50 PMOct 171:27 PMOct 171:27 PM5:59 AM5:59 AM9:18 PM9:18 PM8:43 PM8:43 PM7:15 AM7:15 AM7:07 AM7:07 AM8:24 PM8:24 PM7:30 PM7:30 PM7:28 AM7:28 AM7:04 AM7:04 AM7:04 PM7:04 PM6:39 PM6:39 PM9:03 AM9:03 AM
The time in which the moon is above the horizon (light blue area), with new moons (dark gray lines) and full moons (blue lines) indicated. The shaded overlays indicate night and civil twilight.
Sep 2024IlluminationMoonriseMoonsetMoonriseMeridian PassingDistance
1
3%4:57 AMENE7:46 PMWNW-12:26 PMS248,763 mi
2
0%6:03 AMENE8:06 PMWNW-1:09 PMS250,247 mi
3
0%7:07 AMENE8:24 PMW-1:49 PMS251,378 mi
4
2%8:10 AME8:41 PMW-2:28 PMS252,117 mi
5
5%9:12 AME8:57 PMW-3:06 PMS252,405 mi
6
11%10:14 AMESE9:14 PMWSW-3:45 PMS252,169 mi
7
17%11:17 AMESE9:34 PMWSW-4:26 PMS251,333 mi
8
25%12:22 PMESE9:57 PMWSW-5:10 PMS249,834 mi
9
35%1:28 PMESE10:26 PMSW-5:57 PMS247,639 mi
10
45%2:36 PMSE11:03 PMSW-6:49 PMS244,766 mi
11
50%3:40 PMSE11:51 PMSW-7:46 PMS241,301 mi
12
66%4:38 PMSE--8:45 PMS237,412 mi
13
76%-12:52 AMSW5:28 PMSE9:45 PMS233,354 mi
14
85%-2:03 AMSW6:08 PMESE10:45 PMS229,456 mi
15
93%-3:22 AMWSW6:40 PMESE11:41 PMS226,082 mi
16
96%-4:44 AMWSW7:07 PMESE--
17
98%-6:06 AMWSW7:30 PME12:35 AMS223,578 mi
18
100%-7:28 AMW7:53 PME1:27 AMS222,214 mi
19
99%-8:50 AMW8:15 PMENE2:18 AMS222,131 mi
20
94%-10:12 AMWNW8:41 PMENE3:09 AMS223,317 mi
21
87%-11:35 AMWNW9:10 PMENE4:02 AMS225,610 mi
22
78%-12:56 PMNW9:47 PMNE4:57 AMS228,734 mi
23
67%-2:12 PMNW10:32 PMNE5:55 AMS232,355 mi
24
50%-3:18 PMNW11:28 PMNE6:54 AMS236,138 mi
25
45%-4:12 PMNW-7:52 AMS239,797 mi
26
35%12:32 AMNE4:54 PMNW-8:47 AMS243,120 mi
27
25%1:39 AMNE5:27 PMWNW-9:38 AMS245,977 mi
28
17%2:48 AMENE5:52 PMWNW-10:25 AMS248,309 mi
29
10%3:55 AMENE6:13 PMWNW-11:08 AMS250,108 mi
30
5%4:59 AMENE6:31 PMW-11:49 AMS251,396 mi

We base the humidity comfort level on the dew point, as it determines whether perspiration will evaporate from the skin, thereby cooling the body. Lower dew points feel drier and higher dew points feel more humid. Unlike temperature, which typically varies significantly between night and day, dew point tends to change more slowly, so while the temperature may drop at night, a muggy day is typically followed by a muggy night.

The chance that a given day will be muggy in Roquebrune-sur-Argens is rapidly decreasing during September, falling from 14% to 4% over the course of the month.

For reference, on August 5, the muggiest day of the year, there are muggy conditions 22% of the time, while on November 10, the least muggy day of the year, there are muggy conditions 0% of the time.

Humidity Comfort Levels in September in Roquebrune-sur-Argens

Humidity Comfort Levels in September in Roquebrune-sur-ArgensSep1122334455667788991010111112121313141415151616171718181919202021212222232324242525262627272828292930300%0%10%10%20%20%30%30%40%40%50%50%60%60%70%70%80%80%90%90%100%100%AugOctSep 114%Sep 114%Sep 304%Sep 304%Sep 119%Sep 119%Sep 215%Sep 215%muggymuggyhumidhumidcomfortablecomfortabledrydryoppressiveoppressive
dry 55°F comfortable 60°F humid 65°F muggy 70°F oppressive 75°F miserable
The percentage of time spent at various humidity comfort levels, categorized by dew point.

This section discusses the wide-area hourly average wind vector (speed and direction) at 10 meters above the ground. The wind experienced at any given location is highly dependent on local topography and other factors, and instantaneous wind speed and direction vary more widely than hourly averages.

The average hourly wind speed in Roquebrune-sur-Argens is gradually increasing during September, increasing from 7.8 miles per hour to 8.3 miles per hour over the course of the month.

For reference, on February 19, the windiest day of the year, the daily average wind speed is 9.8 miles per hour, while on August 8, the calmest day of the year, the daily average wind speed is 7.2 miles per hour.

Average Wind Speed in September in Roquebrune-sur-Argens

The average of mean hourly wind speeds (dark gray line), with 25th to 75th and 10th to 90th percentile bands.

The wind direction in Roquebrune-sur-Argens during September is predominantly out of the west from September 1 to September 6 and the east from September 6 to September 30.

Wind Direction in September in Roquebrune-sur-Argens

Wind Direction in September in Roquebrune-sur-ArgensWESep1122334455667788991010111112121313141415151616171718181919202021212222232324242525262627272828292930300%100%20%80%40%60%60%40%80%20%100%0%AugOctwestsoutheastnorth
northeastsouthwest
The percentage of hours in which the mean wind direction is from each of the four cardinal wind directions, excluding hours in which the mean wind speed is less than 1.0 mph. The lightly tinted areas at the boundaries are the percentage of hours spent in the implied intermediate directions (northeast, southeast, southwest, and northwest).

Roquebrune-sur-Argens is located near a large body of water (e.g., ocean, sea, or large lake). This section reports on the wide-area average surface temperature of that water.

The average surface water temperature in Roquebrune-sur-Argens is decreasing during September, falling by 4°F, from 73°F to 69°F, over the course of the month.

Average Water Temperature in September in Roquebrune-sur-Argens

Average Water Temperature in September in Roquebrune-sur-ArgensSep11223344556677889910101111121213131414151516161717181819192020212122222323242425252626272728282929303062°F62°F64°F64°F66°F66°F68°F68°F70°F70°F72°F72°F74°F74°F76°F76°F78°F78°F80°F80°FAugOctSep 173°FSep 173°FSep 3069°FSep 3069°FSep 1172°FSep 1172°FSep 2170°FSep 2170°F
The daily average water temperature (purple line), with 25th to 75th and 10th to 90th percentile bands.

Definitions of the growing season vary throughout the world, but for the purposes of this report, we define it as the longest continuous period of non-freezing temperatures (≥ 32°F) in the year (the calendar year in the Northern Hemisphere, or from July 1 until June 30 in the Southern Hemisphere).

The growing season in Roquebrune-sur-Argens typically lasts for 9.1 months (278 days), from around March 4 to around December 8, rarely starting before February 2 or after March 26, and rarely ending before November 14 or after January 3.

The month of September in Roquebrune-sur-Argens is reliably fully within the growing season.

Time Spent in Various Temperature Bands and the Growing Season in September in Roquebrune-sur-Argens

Time Spent in Various Temperature Bands and the Growing Season in September in Roquebrune-sur-Argensgrowing seasongrowing seasonSep1122334455667788991010111112121313141415151616171718181919202021212222232324242525262627272828292930300%100%10%90%20%80%30%70%40%60%50%50%60%40%70%30%80%20%90%10%100%0%AugOct100%Sep 16100%Sep 16coldcoolcomfortablewarmhotvery cold
frigid 15°F freezing 32°F very cold 45°F cold 55°F cool 65°F comfortable 75°F warm 85°F hot 95°F sweltering
The percentage of time spent in various temperature bands. The black line is the percentage chance that a given day is within the growing season.

Growing degree days are a measure of yearly heat accumulation used to predict plant and animal development, and defined as the integral of warmth above a base temperature, discarding any excess above a maximum temperature. In this report, we use a base of 50°F and a cap of 86°F.

The average accumulated growing degree days in Roquebrune-sur-Argens are rapidly increasing during September, increasing by 515°F, from 2,918°F to 3,433°F, over the course of the month.

Growing Degree Days in September in Roquebrune-sur-Argens

Growing Degree Days in September in Roquebrune-sur-ArgensSep1122334455667788991010111112121313141415151616171718181919202021212222232324242525262627272828292930302,800°F2,800°F3,000°F3,000°F3,200°F3,200°F3,400°F3,400°F3,600°F3,600°FAugOctSep 12,918°FSep 12,918°FSep 303,433°FSep 303,433°FSep 113,119°FSep 113,119°F
The average growing degree days accumulated over the course of September, with 25th to 75th and 10th to 90th percentile bands.

This section discusses the total daily incident shortwave solar energy reaching the surface of the ground over a wide area, taking full account of seasonal variations in the length of the day, the elevation of the Sun above the horizon, and absorption by clouds and other atmospheric constituents. Shortwave radiation includes visible light and ultraviolet radiation.

The average daily incident shortwave solar energy in Roquebrune-sur-Argens is rapidly decreasing during September, falling by 1.7 kWh, from 5.7 kWh to 4.1 kWh, over the course of the month.

Average Daily Incident Shortwave Solar Energy in September in Roquebrune-sur-Argens

Average Daily Incident Shortwave Solar Energy in September in Roquebrune-sur-ArgensSep1122334455667788991010111112121313141415151616171718181919202021212222232324242525262627272828292930300 kWh0 kWh1 kWh1 kWh2 kWh2 kWh3 kWh3 kWh4 kWh4 kWh5 kWh5 kWh6 kWh6 kWh7 kWh7 kWh8 kWh8 kWhAugOctSep 15.7 kWhSep 15.7 kWhSep 304.1 kWhSep 304.1 kWhSep 115.2 kWhSep 115.2 kWh
The average daily shortwave solar energy reaching the ground per square meter (orange line), with 25th to 75th and 10th to 90th percentile bands.

For the purposes of this report, the geographical coordinates of Roquebrune-sur-Argens are 43.433 deg latitude, 6.633 deg longitude, and 308 ft elevation.

The topography within 2 miles of Roquebrune-sur-Argens contains very significant variations in elevation, with a maximum elevation change of 1,496 feet and an average elevation above sea level of 350 feet. Within 10 miles also contains very significant variations in elevation (1,827 feet). Within 50 miles contains very significant variations in elevation (8,983 feet).

The area within 2 miles of Roquebrune-sur-Argens is covered by trees (65%) and cropland (26%), within 10 miles by trees (32%) and shrubs (18%), and within 50 miles by water (43%) and trees (30%).

This report illustrates the typical weather in Roquebrune-sur-Argens, based on a statistical analysis of historical hourly weather reports and model reconstructions from January 1, 1980 to December 31, 2016.

Temperature and Dew Point

There are 2 weather stations near enough to contribute to our estimation of the temperature and dew point in Roquebrune-sur-Argens.

For each station, the records are corrected for the elevation difference between that station and Roquebrune-sur-Argens according to the International Standard Atmosphere , and by the relative change present in the MERRA-2 satellite-era reanalysis between the two locations.

The estimated value at Roquebrune-sur-Argens is computed as the weighted average of the individual contributions from each station, with weights proportional to the inverse of the distance between Roquebrune-sur-Argens and a given station.

The stations contributing to this reconstruction are:

To get a sense of how much these sources agree with each other, you can view a comparison of Roquebrune-sur-Argens and the stations that contribute to our estimates of its temperature history and climate. Please note that each source's contribution is adjusted for elevation and the relative change present in the MERRA-2 data.

Other Data

All data relating to the Sun's position (e.g., sunrise and sunset) are computed using astronomical formulas from the book, Astronomical Algorithms 2nd Edition , by Jean Meeus.

All other weather data, including cloud cover, precipitation, wind speed and direction, and solar flux, come from NASA's MERRA-2 Modern-Era Retrospective Analysis . This reanalysis combines a variety of wide-area measurements in a state-of-the-art global meteorological model to reconstruct the hourly history of weather throughout the world on a 50-kilometer grid.

Land Use data comes from the Global Land Cover SHARE database , published by the Food and Agriculture Organization of the United Nations.

Elevation data comes from the Shuttle Radar Topography Mission (SRTM) , published by NASA's Jet Propulsion Laboratory.

Names, locations, and time zones of places and some airports come from the GeoNames Geographical Database .

Time zones for airports and weather stations are provided by AskGeo.com .

Maps are © OpenStreetMap contributors.

Disclaimer

The information on this site is provided as is, without any assurances as to its accuracy or suitability for any purpose. Weather data is prone to errors, outages, and other defects. We assume no responsibility for any decisions made on the basis of the content presented on this site.

We draw particular cautious attention to our reliance on the MERRA-2 model-based reconstructions for a number of important data series. While having the tremendous advantages of temporal and spatial completeness, these reconstructions: (1) are based on computer models that may have model-based errors, (2) are coarsely sampled on a 50 km grid and are therefore unable to reconstruct the local variations of many microclimates, and (3) have particular difficulty with the weather in some coastal areas, especially small islands.

We further caution that our travel scores are only as good as the data that underpin them, that weather conditions at any given location and time are unpredictable and variable, and that the definition of the scores reflects a particular set of preferences that may not agree with those of any particular reader.

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