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September Weather in Ambato Boeny Madagascar

Daily high temperatures increase by 3°F, from 93°F to 96°F, rarely falling below 90°F or exceeding 99°F.

Daily low temperatures increase by 4°F, from 63°F to 67°F, rarely falling below 59°F or exceeding 72°F.

For reference, on October 28, the hottest day of the year, temperatures in Ambato Boeny typically range from 72°F to 98°F, while on July 8, the coldest day of the year, they range from 61°F to 88°F.

Average High and Low Temperature in September in Ambato Boeny

Average High and Low Temperature in September in Ambato BoenySep11223344556677889910101111121213131414151516161717181819192020212122222323242425252626272728282929303055°F55°F60°F60°F65°F65°F70°F70°F75°F75°F80°F80°F85°F85°F90°F90°F95°F95°F100°F100°FAugOctSep 193°FSep 193°F63°F63°FSep 3096°FSep 3096°F67°F67°FSep 1194°FSep 1194°F65°F65°FSep 2195°FSep 2195°F66°F66°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 Ambato Boeny

Average Hourly Temperature in September in Ambato BoenySep11223344556677889910101111121213131414151516161717181819192020212122222323242425252626272728282929303012 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 AMAugOctcoolcomfortablecomfortablewarmwarmwarmhotsweltering
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.

San Luis Ixcán, Guatemala (9,652 miles away) and Tixcacaltuyub, Mexico (9,535 miles) are the far-away foreign places with temperatures most similar to Ambato Boeny (view comparison).

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The month of September in Ambato Boeny experiences gradually increasing cloud cover, with the percentage of time that the sky is overcast or mostly cloudy increasing from 8% to 15%.

The clearest day of the month is September 1, with clear, mostly clear, or partly cloudy conditions 92% of the time.

For reference, on January 12, the cloudiest day of the year, the chance of overcast or mostly cloudy conditions is 84%, while on August 28, the clearest day of the year, the chance of clear, mostly clear, or partly cloudy skies is 92%.

Cloud Cover Categories in September in Ambato Boeny

Cloud Cover Categories in September in Ambato BoenySep1122334455667788991010111112121313141415151616171718181919202021212222232324242525262627272828292930300%100%10%90%20%80%30%70%40%60%50%50%60%40%70%30%80%20%90%10%100%0%AugOctSep 192%Sep 192%Sep 3085%Sep 3085%Sep 1190%Sep 1190%Sep 2188%Sep 2188%clearmostly clearpartly cloudyovercastmostly cloudy
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 Ambato Boeny, the chance of a wet day over the course of September is gradually increasing, starting the month at 4% and ending it at 6%.

For reference, the year's highest daily chance of a wet day is 89% on February 1, and its lowest chance is 3% on August 22.

Probability of Precipitation in September in Ambato Boeny

Probability of Precipitation in September in Ambato BoenySep1122334455667788991010111112121313141415151616171718181919202021212222232324242525262627272828292930300%0%2%2%4%4%6%6%8%8%10%10%12%12%14%14%16%16%18%18%20%20%22%22%24%24%AugOctSep 14%Sep 14%Sep 306%Sep 306%Sep 115%Sep 115%Sep 216%Sep 216%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 Ambato Boeny is gradually increasing, starting the month at 0.2 inches, when it rarely exceeds 0.8 inches or falls below -0.0 inches, and ending the month at 0.7 inches, when it rarely exceeds 1.7 inches or falls below -0.0 inches.

Average Monthly Rainfall in September in Ambato Boeny

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 Ambato Boeny, the length of the day is gradually increasing. From the start to the end of the month, the length of the day increases by 26 minutes, implying an average daily increase of 54 seconds, and weekly increase of 6 minutes, 21 seconds.

The shortest day of the month is September 1, with 11 hours, 48 minutes of daylight and the longest day is September 30, with 12 hours, 14 minutes of daylight.

Hours of Daylight and Twilight in September in Ambato Boeny

Hours of Daylight and Twilight in September in Ambato BoenySep1122334455667788991010111112121313141415151616171718181919202021212222232324242525262627272828292930300 hr24 hr4 hr20 hr8 hr16 hr12 hr12 hr16 hr8 hr20 hr4 hr24 hr0 hrAugOctSep 2212 hr, 7 minSep 2212 hr, 7 mindaydaydaydaynightSep 111 hr, 48 minSep 111 hr, 48 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 latest sunrise of the month in Ambato Boeny is 5:59 AM on September 1 and the earliest sunrise is 23 minutes earlier at 5:36 AM on September 30.

The earliest sunset is 5:46 PM on September 1 and the latest sunset is 3 minutes later at 5:50 PM on September 30.

Daylight saving time is not observed in Ambato Boeny during 2024.

For reference, on December 21, the longest day of the year, the Sun rises at 5:17 AM and sets 13 hours, 7 minutes later, at 6:24 PM, while on June 20, the shortest day of the year, it rises at 6:20 AM and sets 11 hours, 9 minutes later, at 5:29 PM.

Sunrise & Sunset with Twilight in September in Ambato Boeny

Sunrise & Sunset with Twilight in September in Ambato BoenySep11223344556677889910101111121213131414151516161717181819192020212122222323242425252626272728282929303012 AM2 AM4 AM6 AM8 AM10 AM12 PM2 PM4 PM6 PM8 PM10 PMAugOct5:36 AM5:36 AMSep 305:50 PMSep 305:50 PM5:59 AM5:59 AMSep 15:46 PMSep 15:46 PM5:51 AM5:51 AMSep 115:48 PMSep 115:48 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 Ambato Boeny

Solar Elevation and Azimuth in September in Ambato BoenySep11223344556677889910101111121213131414151516161717181819192020212122222323242425252626272728282929303012 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 AMAugOct00101020202030304040505050606070800001010202030303040405050606070
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 Ambato Boeny

Moon Rise, Set & Phases in September in Ambato BoenySep11223344556677889910101111121213131414151516161717181819192020212122222323242425252626272728282929303012 AM12 AM4 AM4 AM8 AM8 AM12 PM12 PM4 PM4 PM8 PM8 PM12 AM12 AMAugOctAug 42:14 PMAug 42:14 PMAug 199:26 PMAug 199:26 PMSep 34:56 AMSep 34:56 AMSep 185:35 AMSep 185:35 AMOct 29:50 PMOct 29:50 PMOct 172:27 PMOct 172:27 PM6:16 AM6:16 AM5:45 PM5:45 PM5:32 PM5:32 PM6:36 AM6:36 AM6:08 AM6:08 AM6:09 PM6:09 PM5:15 PM5:15 PM5:52 AM5:52 AM5:15 AM5:15 AM5:39 PM5:39 PM5:57 PM5:57 PM5:51 AM5:51 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%4:56 AMENE4:32 PMWNW-10:45 AMN248,582 mi
2
1%5:34 AMENE5:22 PMWNW-11:28 AMN250,103 mi
3
0%6:08 AME6:09 PMW-12:09 PMN251,274 mi
4
2%6:41 AME6:55 PMW-12:48 PMN252,058 mi
5
5%7:13 AME7:41 PMW-1:26 PMN252,398 mi
6
10%7:45 AME8:28 PMWSW-2:05 PMN252,222 mi
7
17%8:18 AMESE9:16 PMWSW-2:45 PMN251,455 mi
8
25%8:54 AMESE10:06 PMWSW-3:28 PMS250,030 mi
9
34%9:33 AMESE10:59 PMWSW-4:14 PMS247,913 mi
10
43%10:18 AMESE11:55 PMWSW-5:05 PMS245,114 mi
11
50%11:08 AMESE--6:00 PMS241,710 mi
12
65%-12:52 AMWSW12:04 PMESE6:57 PMS237,860 mi
13
75%-1:50 AMWSW1:04 PMESE7:56 PMS233,810 mi
14
84%-2:45 AMWSW2:07 PMESE8:54 PMS229,880 mi
15
92%-3:37 AMWSW3:11 PMESE9:50 PMS226,431 mi
16
97%-4:24 AMWSW4:14 PMESE10:43 PMN223,813 mi
17
100%-5:09 AMW5:15 PME11:35 PMN222,308 mi
18
100%-5:52 AMW6:16 PME--
19
99%-6:34 AMW7:17 PME12:26 AMN222,074 mi
20
95%-7:17 AMWNW8:19 PMENE1:17 AMN223,120 mi
21
88%-8:03 AMWNW9:23 PMENE2:11 AMN225,299 mi
22
79%-8:53 AMWNW10:27 PMENE3:07 AMN228,346 mi
23
69%-9:46 AMWNW11:30 PMENE4:06 AMN231,931 mi
24
50%-10:43 AMWNW-5:06 AMN235,716 mi
25
46%12:30 AMENE11:42 AMWNW-6:06 AMN239,404 mi
26
36%1:24 AMENE12:40 PMWNW-7:03 AMN242,775 mi
27
26%2:13 AMENE1:36 PMWNW-7:55 AMN245,690 mi
28
18%2:57 AMENE2:29 PMWNW-8:43 AMN248,082 mi
29
11%3:35 AMENE3:19 PMWNW-9:27 AMN249,938 mi
30
5%4:10 AMENE4:06 PMW-10:08 AMN251,280 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 Ambato Boeny is rapidly increasing during September, rising from 14% to 26% over the course of the month.

For reference, on January 28, the muggiest day of the year, there are muggy conditions 100% of the time, while on July 19, the least muggy day of the year, there are muggy conditions 10% of the time.

Humidity Comfort Levels in September in Ambato Boeny

Humidity Comfort Levels in September in Ambato BoenySep1122334455667788991010111112121313141415151616171718181919202021212222232324242525262627272828292930300%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 3026%Sep 3026%Sep 1118%Sep 1118%Sep 2121%Sep 2121%oppressiveoppressivemuggymuggyhumidhumidcomfortablecomfortabledrydry
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 Ambato Boeny is gradually decreasing during September, decreasing from 9.4 miles per hour to 8.8 miles per hour over the course of the month.

For reference, on August 30, the windiest day of the year, the daily average wind speed is 9.4 miles per hour, while on March 24, the calmest day of the year, the daily average wind speed is 5.2 miles per hour.

Average Wind Speed in September in Ambato Boeny

Average Wind Speed in September in Ambato BoenySep1122334455667788991010111112121313141415151616171718181919202021212222232324242525262627272828292930300 mph0 mph2 mph2 mph4 mph4 mph6 mph6 mph8 mph8 mph10 mph10 mph12 mph12 mph14 mph14 mphAugOctSep 19.4 mphSep 19.4 mphSep 308.8 mphSep 308.8 mphSep 119.2 mphSep 119.2 mph
The average of mean hourly wind speeds (dark gray line), with 25th to 75th and 10th to 90th percentile bands.

The hourly average wind direction in Ambato Boeny throughout September is predominantly from the east, with a peak proportion of 89% on September 2.

Wind Direction in September in Ambato Boeny

Wind Direction in September in Ambato BoenySep1122334455667788991010111112121313141415151616171718181919202021212222232324242525262627272828292930300%100%20%80%40%60%60%40%80%20%100%0%AugOcteastnorthwest
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).

Ambato Boeny 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 Ambato Boeny is essentially constant during September, remaining within 1°F of 79°F throughout.

Average Water Temperature in September in Ambato Boeny

Average Water Temperature in September in Ambato BoenySep11223344556677889910101111121213131414151516161717181819192020212122222323242425252626272728282929303076°F76°F77°F77°F78°F78°F79°F79°F80°F80°F81°F81°F82°F82°F83°F83°F84°F84°FAugOctSep 178°FSep 178°FSep 3080°FSep 3080°FSep 1179°FSep 1179°FSep 2179°FSep 2179°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).

Temperatures in Ambato Boeny are sufficiently warm year round that it is not entirely meaningful to discuss the growing season in these terms. We nevertheless include the chart below as an illustration of the distribution of temperatures experienced throughout the year.

Time Spent in Various Temperature Bands and the Growing Season in September in Ambato Boeny

Time Spent in Various Temperature Bands and the Growing Season in September in Ambato BoenySep1122334455667788991010111112121313141415151616171718181919202021212222232324242525262627272828292930300%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 16coolcomfortablewarmhotsweltering
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 Ambato Boeny are rapidly increasing during September, increasing by 796°F, from 1,503°F to 2,299°F, over the course of the month.

Growing Degree Days in September in Ambato Boeny

Growing Degree Days in September in Ambato BoenySep1122334455667788991010111112121313141415151616171718181919202021212222232324242525262627272828292930301,500°F1,500°F1,600°F1,600°F1,700°F1,700°F1,800°F1,800°F1,900°F1,900°F2,000°F2,000°F2,100°F2,100°F2,200°F2,200°F2,300°F2,300°FAugOctSep 11,503°FSep 11,503°FSep 302,299°FSep 302,299°FSep 111,768°FSep 111,768°FSep 212,043°FSep 212,043°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 Ambato Boeny is gradually increasing during September, rising by 0.6 kWh, from 6.6 kWh to 7.2 kWh, over the course of the month.

Average Daily Incident Shortwave Solar Energy in September in Ambato Boeny

Average Daily Incident Shortwave Solar Energy in September in Ambato BoenySep1122334455667788991010111112121313141415151616171718181919202021212222232324242525262627272828292930300 kWh0 kWh1 kWh1 kWh2 kWh2 kWh3 kWh3 kWh4 kWh4 kWh5 kWh5 kWh6 kWh6 kWh7 kWh7 kWh8 kWh8 kWhAugOctSep 16.6 kWhSep 16.6 kWhSep 307.2 kWhSep 307.2 kWhSep 116.8 kWhSep 116.8 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 Ambato Boeny are -16.467 deg latitude, 46.717 deg longitude, and 118 ft elevation.

The topography within 2 miles of Ambato Boeny contains only modest variations in elevation, with a maximum elevation change of 177 feet and an average elevation above sea level of 60 feet. Within 10 miles contains only modest variations in elevation (807 feet). Within 50 miles contains significant variations in elevation (2,507 feet).

The area within 2 miles of Ambato Boeny is covered by grassland (71%) and water (23%), within 10 miles by grassland (66%) and trees (15%), and within 50 miles by grassland (70%) and trees (19%).

This report illustrates the typical weather in Ambato Boeny, 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 is only a single weather station, Majunga, in our network suitable to be used as a proxy for the historical temperature and dew point records of Ambato Boeny.

At a distance of 97 kilometers from Ambato Boeny, closer than our threshold of 150 kilometers, this station is deemed sufficiently nearby to be relied upon as our primary source for temperature and dew point records.

The station records are corrected for the elevation difference between the station and Ambato Boeny according to the International Standard Atmosphere , and by the relative change present in the MERRA-2 satellite-era reanalysis between the two locations.

Please note that the station records themselves may additionally have been back-filled using other nearby stations or the MERRA-2 reanalysis.

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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