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September Weather in Oliana Spain

Daily high temperatures decrease by 9°F, from 80°F to 71°F, rarely falling below 64°F or exceeding 87°F.

Daily low temperatures decrease by 7°F, from 57°F to 50°F, rarely falling below 43°F or exceeding 63°F.

For reference, on July 28, the hottest day of the year, temperatures in Oliana typically range from 61°F to 85°F, while on January 10, the coldest day of the year, they range from 31°F to 50°F.

Average High and Low Temperature in September in Oliana

Average High and Low Temperature in September in OlianaSep11223344556677889910101111121213131414151516161717181819192020212122222323242425252626272728282929303030°F30°F35°F35°F40°F40°F45°F45°F50°F50°F55°F55°F60°F60°F65°F65°F70°F70°F75°F75°F80°F80°F85°F85°F90°F90°F95°F95°FAugOctSep 180°FSep 180°F57°F57°FSep 3071°FSep 3071°F50°F50°FSep 1177°FSep 1177°F55°F55°FSep 2174°FSep 2174°F52°F52°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 Oliana

Average Hourly Temperature in September in OlianaSep11223344556677889910101111121213131414151516161717181819192020212122222323242425252626272728282929303012 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 AMAugOctcoldcoldcoolcomfortablecomfortablewarmvery 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 average hourly temperature, color coded into bands. The shaded overlays indicate night and civil twilight.

Cedar Ridge, California, United States (5,801 miles away) is the far-away foreign place with temperatures most similar to Oliana (view comparison).

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The month of September in Oliana experiences increasing cloud cover, with the percentage of time that the sky is overcast or mostly cloudy increasing from 32% to 43%.

The clearest day of the month is September 1, with clear, mostly clear, or partly cloudy conditions 68% of the time.

For reference, on October 29, the cloudiest day of the year, the chance of overcast or mostly cloudy conditions is 50%, while on July 19, the clearest day of the year, the chance of clear, mostly clear, or partly cloudy skies is 82%.

Cloud Cover Categories in September in Oliana

Cloud Cover Categories in September in OlianaSep1122334455667788991010111112121313141415151616171718181919202021212222232324242525262627272828292930300%100%10%90%20%80%30%70%40%60%50%50%60%40%70%30%80%20%90%10%100%0%AugOctSep 168%Sep 168%Sep 3057%Sep 3057%Sep 1164%Sep 1164%Sep 2161%Sep 2161%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 Oliana, the chance of a wet day over the course of September is gradually increasing, starting the month at 17% and ending it at 20%.

For reference, the year's highest daily chance of a wet day is 22% on May 7, and its lowest chance is 10% on July 13.

Probability of Precipitation in September in Oliana

Probability of Precipitation in September in OlianaSep1122334455667788991010111112121313141415151616171718181919202021212222232324242525262627272828292930300%0%2%2%4%4%6%6%8%8%10%10%12%12%14%14%16%16%18%18%20%20%22%22%AugOctSep 117%Sep 117%Sep 3020%Sep 3020%Sep 1117%Sep 1117%Sep 2119%Sep 2119%rain
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 Oliana is gradually increasing, starting the month at 1.2 inches, when it rarely exceeds 2.2 inches or falls below 0.3 inches, and ending the month at 1.6 inches, when it rarely exceeds 3.1 inches or falls below 0.4 inches.

Average Monthly Rainfall in September in Oliana

Average Monthly Rainfall in September in OlianaSep1122334455667788991010111112121313141415151616171718181919202021212222232324242525262627272828292930300.0 in0.0 in0.5 in0.5 in1.0 in1.0 in1.5 in1.5 in2.0 in2.0 in2.5 in2.5 in3.0 in3.0 in3.5 in3.5 inAugOctSep 11.2 inSep 11.2 inSep 301.6 inSep 301.6 inSep 111.3 inSep 111.3 inSep 211.5 inSep 211.5 in
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 Oliana, 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, 21 minutes, implying an average daily decrease of 2 minutes, 47 seconds, and weekly decrease of 19 minutes, 30 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, 7 minutes of daylight.

Hours of Daylight and Twilight in September in Oliana

Hours of Daylight and Twilight in September in OlianaSep1122334455667788991010111112121313141415151616171718181919202021212222232324242525262627272828292930300 hr24 hr4 hr20 hr8 hr16 hr12 hr12 hr16 hr8 hr20 hr4 hr24 hr0 hrAugOctSep 2212 hr, 9 minSep 2212 hr, 9 minnightnightdaydaySep 113 hr, 7 minSep 113 hr, 7 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 Oliana is 7:20 AM on September 1 and the latest sunrise is 30 minutes later at 7:51 AM on September 30.

The latest sunset is 8:27 PM on September 1 and the earliest sunset is 50 minutes earlier at 7:37 PM on September 30.

Daylight saving time is observed in Oliana 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 6:18 AM and sets 15 hours, 15 minutes later, at 9:34 PM, while on December 21, the shortest day of the year, it rises at 8:19 AM and sets 9 hours, 6 minutes later, at 5:26 PM.

Sunrise & Sunset with Twilight and Daylight Saving Time in September in Oliana

Sunrise & Sunset with Twilight and Daylight Saving Time in September in OlianaSep1122334455667788991010111112121313141415151616171718181919202021212222232324242525262627272828292930302 AM4 AM6 AM8 AM10 AM12 PM2 PM4 PM6 PM8 PM10 PM12 AM2 AMAugOct7:20 AM7:20 AMSep 18:27 PMSep 18:27 PM7:51 AM7:51 AMSep 307:37 PMSep 307:37 PM7:30 AM7:30 AMSep 118:10 PMSep 118:10 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 Oliana

Solar Elevation and Azimuth in September in OlianaSep11223344556677889910101111121213131414151516161717181819192020212122222323242425252626272728282929303012 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 AMAugOct001010202030304040505000101020203030405060
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 Oliana

Moon Rise, Set & Phases in September in OlianaSep11223344556677889910101111121213131414151516161717181819192020212122222323242425252626272728282929303012 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 PM6:26 AM6:26 AM9:36 PM9:36 PM9:01 PM9:01 PM7:40 AM7:40 AM7:31 AM7:31 AM8:45 PM8:45 PM7:51 PM7:51 PM7:51 AM7:51 AM7:26 AM7:26 AM7:26 PM7:26 PM6:37 PM6:37 PM8:00 AM8:00 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%5:23 AMENE8:05 PMWNW-12:48 PMS248,788 mi
2
0%6:28 AMENE8:26 PMWNW-1:31 PMS250,267 mi
3
0%7:31 AMENE8:45 PMW-2:11 PMS251,392 mi
4
2%8:33 AME9:02 PMW-2:50 PMS252,125 mi
5
5%9:33 AME9:20 PMW-3:28 PMS252,406 mi
6
11%10:34 AMESE9:38 PMWSW-4:07 PMS252,161 mi
7
18%11:36 AMESE9:59 PMWSW-4:48 PMS251,315 mi
8
26%12:40 PMESE10:23 PMWSW-5:32 PMS249,806 mi
9
35%1:46 PMESE10:53 PMSW-6:19 PMS247,601 mi
10
45%2:52 PMSE11:31 PMSW-7:11 PMS244,719 mi
11
50%3:56 PMSE--8:08 PMS241,246 mi
12
66%-12:20 AMSW4:54 PMSE9:07 PMS237,352 mi
13
76%-1:20 AMSW5:44 PMSE10:07 PMS233,294 mi
14
85%-2:31 AMSW6:25 PMESE11:07 PMS229,402 mi
15
90%-3:49 AMWSW6:58 PMESE--
16
93%-5:09 AMWSW7:26 PMESE12:03 AMS226,038 mi
17
98%-6:30 AMWSW7:51 PME12:57 AMS223,550 mi
18
100%-7:51 AMW8:15 PME1:49 AMS222,203 mi
19
99%-9:11 AMW8:39 PMENE2:40 AMS222,140 mi
20
94%-10:32 AMWNW9:05 PMENE3:31 AMS223,343 mi
21
87%-11:53 AMWNW9:36 PMENE4:24 AMS225,651 mi
22
78%-1:13 PMNW10:14 PMNE5:19 AMS228,784 mi
23
67%-2:28 PMNW11:01 PMNE6:17 AMS232,410 mi
24
50%-3:34 PMNW11:57 PMNE7:16 AMS236,193 mi
25
45%-4:28 PMNW-8:14 AMS239,849 mi
26
34%1:00 AMNE5:11 PMNW-9:09 AMS243,166 mi
27
25%2:07 AMNE5:44 PMWNW-10:00 AMS246,016 mi
28
17%3:14 AMENE6:10 PMWNW-10:47 AMS248,340 mi
29
10%4:20 AMENE6:32 PMWNW-11:30 AMS250,131 mi
30
5%5:23 AMENE6:51 PMW-12:11 PMS251,411 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 Oliana is essentially constant during September, remaining around 0% throughout.

For reference, on August 17, the muggiest day of the year, there are muggy conditions 1% of the time, while on October 18, the least muggy day of the year, there are muggy conditions 0% of the time.

Humidity Comfort Levels in September in Oliana

Humidity Comfort Levels in September in OlianaSep1122334455667788991010111112121313141415151616171718181919202021212222232324242525262627272828292930300%0%10%10%20%20%30%30%40%40%50%50%60%60%70%70%80%80%90%90%100%100%AugOctSep 11%Sep 11%Sep 300%Sep 300%Sep 110%Sep 110%Sep 210%Sep 210%humidhumidcomfortablecomfortabledrydry
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 Oliana is essentially constant during September, remaining within 0.2 miles per hour of 5.7 miles per hour throughout.

For reference, on April 5, the windiest day of the year, the daily average wind speed is 7.6 miles per hour, while on August 27, the calmest day of the year, the daily average wind speed is 5.4 miles per hour.

Average Wind Speed in September in Oliana

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

The wind direction in Oliana during September is predominantly out of the south from September 1 to September 8 and the north from September 8 to September 30.

Wind Direction in September in Oliana

Wind Direction in September in OlianaSNSep1122334455667788991010111112121313141415151616171718181919202021212222232324242525262627272828292930300%100%20%80%40%60%60%40%80%20%100%0%AugOctwestsouthnortheast
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).

Oliana 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 Oliana is decreasing during September, falling by 4°F, from 76°F to 72°F, over the course of the month.

Average Water Temperature in September in Oliana

Average Water Temperature in September in OlianaSep11223344556677889910101111121213131414151516161717181819192020212122222323242425252626272728282929303060°F60°F62°F62°F64°F64°F66°F66°F68°F68°F70°F70°F72°F72°F74°F74°F76°F76°F78°F78°F80°F80°FAugOctSep 176°FSep 176°FSep 3072°FSep 3072°FSep 1175°FSep 1175°FSep 2173°FSep 2173°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 Oliana typically lasts for 7.0 months (216 days), from around April 7 to around November 9, rarely starting before March 14 or after April 29, and rarely ending before October 19 or after December 2.

The month of September in Oliana is reliably fully within the growing season.

Time Spent in Various Temperature Bands and the Growing Season in September in Oliana

Time Spent in Various Temperature Bands and the Growing Season in September in Olianagrowing 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 1690%Oct 1990%Oct 19very coldcoldcoolcomfortablewarmhot
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 Oliana are increasing during September, increasing by 419°F, from 2,461°F to 2,880°F, over the course of the month.

Growing Degree Days in September in Oliana

Growing Degree Days in September in OlianaSep1122334455667788991010111112121313141415151616171718181919202021212222232324242525262627272828292930302,300°F2,300°F2,400°F2,400°F2,500°F2,500°F2,600°F2,600°F2,700°F2,700°F2,800°F2,800°F2,900°F2,900°F3,000°F3,000°F3,100°F3,100°F3,200°F3,200°FAugOctSep 12,461°FSep 12,461°FSep 302,880°FSep 302,880°FSep 112,632°FSep 112,632°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 Oliana is decreasing during September, falling by 1.5 kWh, from 5.8 kWh to 4.3 kWh, over the course of the month.

Average Daily Incident Shortwave Solar Energy in September in Oliana

Average Daily Incident Shortwave Solar Energy in September in OlianaSep1122334455667788991010111112121313141415151616171718181919202021212222232324242525262627272828292930300 kWh0 kWh1 kWh1 kWh2 kWh2 kWh3 kWh3 kWh4 kWh4 kWh5 kWh5 kWh6 kWh6 kWh7 kWh7 kWh8 kWh8 kWhAugOctSep 15.8 kWhSep 15.8 kWhSep 304.3 kWhSep 304.3 kWhSep 115.3 kWhSep 115.3 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 Oliana are 42.069 deg latitude, 1.314 deg longitude, and 1,509 ft elevation.

The topography within 2 miles of Oliana contains very significant variations in elevation, with a maximum elevation change of 1,772 feet and an average elevation above sea level of 1,906 feet. Within 10 miles contains very significant variations in elevation (5,249 feet). Within 50 miles also contains extreme variations in elevation (9,987 feet).

The area within 2 miles of Oliana is covered by cropland (38%), trees (35%), and shrubs (20%), within 10 miles by trees (69%) and cropland (17%), and within 50 miles by trees (43%) and cropland (31%).

This report illustrates the typical weather in Oliana, 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 5 weather stations near enough to contribute to our estimation of the temperature and dew point in Oliana.

For each station, the records are corrected for the elevation difference between that station and Oliana 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 Oliana is computed as the weighted average of the individual contributions from each station, with weights proportional to the inverse of the distance between Oliana 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 Oliana 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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