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September Weather at Herat International Airport Afghanistan

Daily high temperatures decrease by 10°F, from 93°F to 83°F, rarely falling below 73°F or exceeding 100°F.

Daily low temperatures decrease by 12°F, from 67°F to 55°F, rarely falling below 47°F or exceeding 72°F.

For reference, on July 10, the hottest day of the year, temperatures at Herat International Airport typically range from 74°F to 99°F, while on January 11, the coldest day of the year, they range from 30°F to 50°F.

Average High and Low Temperature in September at Herat International Airport

Average High and Low Temperature in September at Herat International AirportSep11223344556677889910101111121213131414151516161717181819192020212122222323242425252626272728282929303030°F30°F40°F40°F50°F50°F60°F60°F70°F70°F80°F80°F90°F90°F100°F100°FAugOctSep 193°FSep 193°F67°F67°FSep 3083°FSep 3083°F55°F55°FSep 1190°FSep 1190°F63°F63°FSep 2187°FSep 2187°F59°F59°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 at Herat International Airport

Average Hourly Temperature in September at Herat International AirportSep11223344556677889910101111121213131414151516161717181819192020212122222323242425252626272728282929303012 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 AMAugOctcoldcoolcoolcomfortablewarmwarmhotswelteringcold
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.

Altus, Oklahoma, United States (7,541 miles away) is the far-away foreign place with temperatures most similar to Herat International Airport (view comparison).

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The month of September at Herat International Airport experiences essentially constant cloud cover, with the percentage of time that the sky is overcast or mostly cloudy remaining about 2% throughout the month. The lowest chance of overcast or mostly cloudy conditions is 0% on September 8.

The clearest day of the month is September 8, with clear, mostly clear, or partly cloudy conditions 100% of the time.

For reference, on March 15, the cloudiest day of the year, the chance of overcast or mostly cloudy conditions is 39%, while on August 29, the clearest day of the year, the chance of clear, mostly clear, or partly cloudy skies is 100%.

Cloud Cover Categories in September at Herat International Airport

Cloud Cover Categories in September at Herat International AirportSep1122334455667788991010111112121313141415151616171718181919202021212222232324242525262627272828292930300%100%10%90%20%80%30%70%40%60%50%50%60%40%70%30%80%20%90%10%100%0%AugOctMar 1561%Mar 1561%Sep 1100%Sep 1100%Sep 3096%Sep 3096%Sep 11100%Sep 11100%Sep 2199%Sep 2199%clearovercastmostly clearpartly cloudymostly 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.

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 at Herat International Airport is essentially constant, remaining about 0.0 inches throughout, and rarely exceeding 0.3 inches or falling below -0.0 inches.

Average Monthly Rainfall in September at Herat International Airport

Average Monthly Rainfall in September at Herat International AirportSep1122334455667788991010111112121313141415151616171718181919202021212222232324242525262627272828292930300.0 in0.0 in0.2 in0.2 in0.4 in0.4 in0.6 in0.6 in0.8 in0.8 in1.0 in1.0 inAugOctSep 10.0 inSep 10.0 inSep 300.1 inSep 300.1 inSep 110.0 inSep 110.0 inSep 210.0 inSep 210.0 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 at Herat International Airport, 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, 1 minute, implying an average daily decrease of 2 minutes, 6 seconds, and weekly decrease of 14 minutes, 40 seconds.

The shortest day of the month is September 30, with 11 hours, 51 minutes of daylight and the longest day is September 1, with 12 hours, 52 minutes of daylight.

Hours of Daylight and Twilight in September at Herat International Airport

Hours of Daylight and Twilight in September at Herat International AirportSep1122334455667788991010111112121313141415151616171718181919202021212222232324242525262627272828292930300 hr24 hr4 hr20 hr8 hr16 hr12 hr12 hr16 hr8 hr20 hr4 hr24 hr0 hrAugOctSep 2212 hr, 8 minSep 2212 hr, 8 minnightnightdaydaySep 112 hr, 52 minSep 112 hr, 52 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 at Herat International Airport is 5:54 AM on September 1 and the latest sunrise is 20 minutes later at 6:15 AM on September 30.

The latest sunset is 6:46 PM on September 1 and the earliest sunset is 40 minutes earlier at 6:06 PM on September 30.

Daylight saving time is not observed at Herat International Airport during 2024.

For reference, on June 20, the longest day of the year, the Sun rises at 5:09 AM and sets 14 hours, 26 minutes later, at 7:36 PM, while on December 21, the shortest day of the year, it rises at 7:23 AM and sets 9 hours, 52 minutes later, at 5:15 PM.

Sunrise & Sunset with Twilight in September at Herat International Airport

Sunrise & Sunset with Twilight in September at Herat International AirportSep1122334455667788991010111112121313141415151616171718181919202021212222232324242525262627272828292930302 AM4 AM6 AM8 AM10 AM12 PM2 PM4 PM6 PM8 PM10 PM12 AMAugOct5:54 AM5:54 AMSep 16:46 PMSep 16:46 PM6:15 AM6:15 AMSep 306:06 PMSep 306:06 PM6:01 AM6:01 AMSep 116:33 PMSep 116:33 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 at Herat International Airport

Solar Elevation and Azimuth in September at Herat International AirportSep11223344556677889910101111121213131414151516161717181819192020212122222323242425252626272728282929303012 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 AMAugOct00101020202030304040505060000101020203030304040505060
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 at Herat International Airport

Moon Rise, Set & Phases in September at Herat International AirportSep11223344556677889910101111121213131414151516161717181819192020212122222323242425252626272728282929303012 AM12 AM4 AM4 AM8 AM8 AM12 PM12 PM4 PM4 PM8 PM8 PM12 AM12 AMAugOctAug 43:44 PMAug 43:44 PMAug 1910:56 PMAug 1910:56 PMSep 36:26 AMSep 36:26 AMSep 187:05 AMSep 187:05 AMOct 211:20 PMOct 211:20 PMOct 173:57 PMOct 173:57 PM5:04 AM5:04 AM7:38 PM7:38 PM7:07 PM7:07 PM6:06 AM6:06 AM5:56 AM5:56 AM7:02 PM7:02 PM6:07 PM6:07 PM6:06 AM6:06 AM5:42 AM5:42 AM5:52 PM5:52 PM5:35 PM5:35 PM7:20 AM7:20 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%3:58 AMENE6:10 PMWNW-11:08 AMS248,505 mi
2
1%4:58 AMENE6:38 PMWNW-11:51 AMS250,041 mi
3
0%5:56 AMENE7:02 PMW-12:31 PMS251,229 mi
4
1%6:52 AME7:25 PMW-1:10 PMS252,031 mi
5
5%7:47 AME7:47 PMW-1:49 PMS252,393 mi
6
10%8:43 AME8:11 PMWSW-2:27 PMS252,242 mi
7
16%9:39 AMESE8:36 PMWSW-3:08 PMS251,503 mi
8
24%10:37 AMESE9:05 PMWSW-3:51 PMS250,109 mi
9
33%11:37 AMESE9:39 PMWSW-4:38 PMS248,022 mi
10
43%12:39 PMESE10:20 PMWSW-5:29 PMS245,251 mi
11
50%1:40 PMSE11:09 PMSW-6:24 PMS241,869 mi
12
64%2:39 PMSE--7:23 PMS238,031 mi
13
74%-12:08 AMSW3:32 PMSE8:23 PMS233,980 mi
14
84%-1:14 AMWSW4:19 PMESE9:22 PMS230,035 mi
15
92%-2:25 AMWSW5:00 PMESE10:19 PMS226,557 mi
16
97%-3:39 AMWSW5:35 PMESE11:14 PMS223,898 mi
17
99%-4:53 AMWSW6:07 PME--
18
100%-6:06 AMW6:38 PME12:05 AMS222,344 mi
19
99%-7:19 AMW7:09 PME12:56 AMS222,059 mi
20
95%-8:33 AMWNW7:41 PMENE1:47 AMS223,055 mi
21
89%-9:47 AMWNW8:18 PMENE2:40 AMS225,192 mi
22
80%-11:01 AMWNW9:00 PMENE3:35 AMS228,208 mi
23
69%-12:12 PMWNW9:50 PMNE4:33 AMS231,775 mi
24
50%-1:18 PMNW10:45 PMNE5:32 AMS235,555 mi
25
47%-2:15 PMNW11:46 PMNE6:31 AMS239,250 mi
26
36%-3:02 PMWNW-7:27 AMS242,636 mi
27
27%12:49 AMENE3:41 PMWNW-8:19 AMS245,571 mi
28
18%1:52 AMENE4:14 PMWNW-9:06 AMS247,986 mi
29
11%2:52 AMENE4:42 PMWNW-9:50 AMS249,865 mi
30
6%3:50 AMENE5:07 PMW-10:31 AMS251,229 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 at Herat International Airport is essentially constant during September, remaining around 0% throughout.

For reference, on May 30, the muggiest day of the year, there are muggy conditions 0% of the time, while on January 1, the least muggy day of the year, there are muggy conditions 0% of the time.

Humidity Comfort Levels in September at Herat International Airport

Humidity Comfort Levels in September at Herat International AirportSep1122334455667788991010111112121313141415151616171718181919202021212222232324242525262627272828292930300%0%10%10%20%20%30%30%40%40%50%50%60%60%70%70%80%80%90%90%100%100%AugOctSep 160%Sep 160%Sep 10%Sep 10%Sep 300%Sep 300%drydry
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 at Herat International Airport is very rapidly decreasing during September, decreasing from 17.0 miles per hour to 12.5 miles per hour over the course of the month.

For reference, on July 25, the windiest day of the year, the daily average wind speed is 20.2 miles per hour, while on November 13, the calmest day of the year, the daily average wind speed is 9.2 miles per hour.

Average Wind Speed in September at Herat International Airport

Average Wind Speed in September at Herat International AirportSep1122334455667788991010111112121313141415151616171718181919202021212222232324242525262627272828292930300 mph0 mph5 mph5 mph10 mph10 mph15 mph15 mph20 mph20 mph25 mph25 mphAugOctSep 117.0 mphSep 117.0 mphSep 3012.5 mphSep 3012.5 mphSep 1614.5 mphSep 1614.5 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 at Herat International Airport throughout September is predominantly from the north, with a peak proportion of 77% on September 1.

Wind Direction in September at Herat International Airport

Wind Direction in September at Herat International AirportSep1122334455667788991010111112121313141415151616171718181919202021212222232324242525262627272828292930300%100%20%80%40%60%60%40%80%20%100%0%AugOctnorthsoutheastwest
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).

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 at Herat International Airport typically lasts for 8.1 months (249 days), from around March 16 to around November 20, rarely starting before February 23 or after April 6, and rarely ending before October 28 or after December 13.

The month of September at Herat International Airport is reliably fully within the growing season.

Time Spent in Various Temperature Bands and the Growing Season in September at Herat International Airport

Time Spent in Various Temperature Bands and the Growing Season in September at Herat International Airportgrowing 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 2890%Oct 28coldcoolcomfortablewarmhotswelteringvery 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 at Herat International Airport are rapidly increasing during September, increasing by 695°F, from 4,403°F to 5,098°F, over the course of the month.

Growing Degree Days in September at Herat International Airport

Growing Degree Days in September at Herat International AirportSep1122334455667788991010111112121313141415151616171718181919202021212222232324242525262627272828292930304,200°F4,200°F4,400°F4,400°F4,600°F4,600°F4,800°F4,800°F5,000°F5,000°F5,200°F5,200°F5,400°F5,400°FAugOctSep 14,403°FSep 14,403°FSep 305,098°FSep 305,098°FSep 114,669°FSep 114,669°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 at Herat International Airport is decreasing during September, falling by 1.4 kWh, from 7.6 kWh to 6.2 kWh, over the course of the month.

Average Daily Incident Shortwave Solar Energy in September at Herat International Airport

Average Daily Incident Shortwave Solar Energy in September at Herat International AirportSep1122334455667788991010111112121313141415151616171718181919202021212222232324242525262627272828292930300 kWh0 kWh1 kWh1 kWh2 kWh2 kWh3 kWh3 kWh4 kWh4 kWh5 kWh5 kWh6 kWh6 kWh7 kWh7 kWh8 kWh8 kWh9 kWh9 kWhAugOctSep 17.6 kWhSep 17.6 kWhSep 306.2 kWhSep 306.2 kWhSep 117.1 kWhSep 117.1 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 Herat International Airport are 34.211 deg latitude, 62.229 deg longitude, and 3,219 ft elevation.

The topography within 2 miles of Herat International Airport contains only modest variations in elevation, with a maximum elevation change of 217 feet and an average elevation above sea level of 3,220 feet. Within 10 miles contains only modest variations in elevation (2,083 feet). Within 50 miles contains large variations in elevation (9,131 feet).

The area within 2 miles of Herat International Airport is covered by cropland (40%), artificial surfaces (26%), and grassland (25%), within 10 miles by cropland (55%) and bare soil (20%), and within 50 miles by grassland (38%) and bare soil (37%).

This report illustrates the typical weather at Herat International Airport, 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

Herat International Airport has a weather station that reported reliably enough during the analysis period that we have included it in our network. When available, historical temperature and dew point measurements are taken directly from this weather station. These records are obtained from NOAA's Integrated Surface Hourly data set, falling back on ICAO METAR records as required.

There are no other weather stations in our network within 200 kilometers of this location. Consequently, in the case of missing or erroneous measurements from this station, we fall back on NASA's MERRA-2 modern-era reanalysis , adjusted according to typical seasonal and diurnal differences between this station and the wide-area MERRA-2 reconstructed values.

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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