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September Weather in Bayangol Mongolia

Daily high temperatures decrease by 13°F, from 64°F to 51°F, rarely falling below 41°F or exceeding 72°F.

Daily low temperatures decrease by 11°F, from 39°F to 28°F, rarely falling below 20°F or exceeding 47°F.

For reference, on July 23, the hottest day of the year, temperatures in Bayangol typically range from 48°F to 72°F, while on January 18, the coldest day of the year, they range from -7°F to 12°F.

Average High and Low Temperature in September in Bayangol

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 Bayangol

Average Hourly Temperature in September in BayangolSep11223344556677889910101111121213131414151516161717181819192020212122222323242425252626272728282929303012 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 AMAugOctfreezingfreezingvery coldcoldcoolcomfortable
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.

Haines Junction, Yukon, Canada (4,544 miles away) and Manning, Alberta, Canada (5,125 miles) are the far-away foreign places with temperatures most similar to Bayangol (view comparison).

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The month of September in Bayangol experiences gradually increasing cloud cover, with the percentage of time that the sky is overcast or mostly cloudy increasing from 27% to 32%. The lowest chance of overcast or mostly cloudy conditions is 27% on September 1.

The clearest day of the month is September 1, with clear, mostly clear, or partly cloudy conditions 73% of the time.

For reference, on April 13, the cloudiest day of the year, the chance of overcast or mostly cloudy conditions is 42%, while on September 1, the clearest day of the year, the chance of clear, mostly clear, or partly cloudy skies is 73%.

Cloud Cover Categories in September in Bayangol

Cloud Cover Categories in September in BayangolSep1122334455667788991010111112121313141415151616171718181919202021212222232324242525262627272828292930300%100%10%90%20%80%30%70%40%60%50%50%60%40%70%30%80%20%90%10%100%0%AugOctApr 1358%Apr 1358%Sep 173%Sep 173%Sep 3068%Sep 3068%Sep 1171%Sep 1171%Sep 2171%Sep 2171%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 Bayangol, the chance of a wet day over the course of September is rapidly decreasing, starting the month at 9% and ending it at 3%.

For reference, the year's highest daily chance of a wet day is 17% on July 3, and its lowest chance is 0% on January 17.

Probability of Precipitation in September in Bayangol

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 Bayangol is gradually decreasing, starting the month at 0.4 inches, when it rarely exceeds 0.9 inches, and ending the month at 0.1 inches, when it rarely exceeds 0.3 inches or falls below -0.0 inches.

Average Monthly Rainfall in September in Bayangol

Average Monthly Rainfall in September in BayangolSep1122334455667788991010111112121313141415151616171718181919202021212222232324242525262627272828292930300.0 in0.0 in0.2 in0.2 in0.4 in0.4 in0.6 in0.6 in0.8 in0.8 in1.0 in1.0 in1.2 in1.2 in1.4 in1.4 in1.6 in1.6 inAugOctSep 10.4 inSep 10.4 inSep 300.1 inSep 300.1 inSep 110.3 inSep 110.3 inSep 210.2 inSep 210.2 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 Bayangol, 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, 31 minutes, implying an average daily decrease of 3 minutes, 9 seconds, and weekly decrease of 22 minutes, 2 seconds.

The shortest day of the month is September 30, with 11 hours, 45 minutes of daylight and the longest day is September 1, with 13 hours, 16 minutes of daylight.

Hours of Daylight and Twilight in September in Bayangol

Hours of Daylight and Twilight in September in BayangolSep1122334455667788991010111112121313141415151616171718181919202021212222232324242525262627272828292930300 hr24 hr4 hr20 hr8 hr16 hr12 hr12 hr16 hr8 hr20 hr4 hr24 hr0 hrAugOctSep 2212 hr, 10 minSep 2212 hr, 10 minnightnightdaydaySep 113 hr, 16 minSep 113 hr, 16 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 Bayangol is 6:03 AM on September 1 and the latest sunrise is 36 minutes later at 6:39 AM on September 30.

The latest sunset is 7:20 PM on September 1 and the earliest sunset is 56 minutes earlier at 6:24 PM on September 30.

Daylight saving time is not observed in Bayangol during 2024.

For reference, on June 20, the longest day of the year, the Sun rises at 4:53 AM and sets 15 hours, 42 minutes later, at 8:35 PM, while on December 21, the shortest day of the year, it rises at 8:19 AM and sets 8 hours, 42 minutes later, at 5:01 PM.

Sunrise & Sunset with Twilight in September in Bayangol

Sunrise & Sunset with Twilight in September in BayangolSep1122334455667788991010111112121313141415151616171718181919202021212222232324242525262627272828292930302 AM4 AM6 AM8 AM10 AM12 PM2 PM4 PM6 PM8 PM10 PM12 AMAugOct6:03 AM6:03 AMSep 17:20 PMSep 17:20 PM6:39 AM6:39 AMSep 306:24 PMSep 306:24 PM6:16 AM6:16 AMSep 117:01 PMSep 117:01 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 Bayangol

Solar Elevation and Azimuth in September in BayangolSep11223344556677889910101111121213131414151516161717181819192020212122222323242425252626272728282929303012 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 AMAugOct001010202020303040405000010102020303030405060
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 Bayangol

Moon Rise, Set & Phases in September in BayangolSep11223344556677889910101111121213131414151516161717181819192020212122222323242425252626272728282929303012 AM12 AM4 AM4 AM8 AM8 AM12 PM12 PM4 PM4 PM8 PM8 PM12 AM12 AMAugOctAug 46:14 PMAug 46:14 PMAug 201:26 AMAug 201:26 AMSep 38:56 AMSep 38:56 AMSep 189:35 AMSep 189:35 AMOct 31:50 AMOct 31:50 AMOct 176:27 PMOct 176:27 PM4:43 AM4:43 AM8:28 PM8:28 PM7:50 PM7:50 PM6:00 AM6:00 AM5:58 AM5:58 AM7:31 PM7:31 PM6:36 PM6:36 PM6:16 AM6:16 AM7:01 AM7:01 AM6:23 PM6:23 PM5:38 PM5:38 PM7:57 AM7:57 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%3:42 AMENE6:56 PMWNW-11:24 AMS248,351 mi
2
1%4:51 AMENE7:15 PMWNW-12:07 PMS249,917 mi
3
0%5:58 AMENE7:31 PMW-12:48 PMS251,137 mi
4
1%7:03 AME7:46 PMW-1:27 PMS251,976 mi
5
4%8:06 AME8:01 PMW-2:05 PMS252,380 mi
6
9%9:10 AME8:16 PMWSW-2:44 PMS252,279 mi
7
16%10:14 AMESE8:33 PMWSW-3:25 PMS251,596 mi
8
23%11:21 AMESE8:54 PMWSW-4:08 PMS250,263 mi
9
32%12:29 PMESE9:19 PMSW-4:54 PMS248,238 mi
10
42%1:38 PMSE9:52 PMSW-5:45 PMS245,526 mi
11
50%2:45 PMSE10:36 PMSW-6:41 PMS242,193 mi
12
63%3:45 PMSE11:34 PMSW-7:39 PMS238,386 mi
13
74%4:36 PMSE--8:40 PMS234,341 mi
14
83%-12:44 AMSW5:17 PMSE9:40 PMS230,371 mi
15
91%-2:03 AMSW5:48 PMESE10:37 PMS226,836 mi
16
97%-3:27 AMWSW6:14 PMESE11:32 PMS224,092 mi
17
99%-4:52 AMWSW6:36 PME--
18
100%-6:16 AMW6:56 PME12:24 AMS222,431 mi
19
99%-7:40 AMW7:17 PME1:15 AMS222,031 mi
20
96%-9:05 AMWNW7:39 PMENE2:06 AMS222,918 mi
21
89%-10:30 AMWNW8:05 PMENE2:58 AMS224,963 mi
22
80%-11:54 AMNW8:37 PMNE3:53 AMS227,914 mi
23
70%-1:14 PMNW9:19 PMNE4:50 AMS231,445 mi
24
59%-2:24 PMNW10:11 PMNE5:49 AMS235,218 mi
25
50%-3:21 PMNW11:14 PMNE6:47 AMS238,929 mi
26
37%-4:04 PMNW-7:43 AMS242,349 mi
27
27%12:22 AMNE4:37 PMNW-8:35 AMS245,328 mi
28
19%1:33 AMENE5:02 PMWNW-9:23 AMS247,790 mi
29
12%2:42 AMENE5:22 PMWNW-10:07 AMS249,718 mi
30
6%3:49 AMENE5:39 PMWNW-10:48 AMS251,127 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 Bayangol is essentially constant during September, remaining around 0% throughout.

Humidity Comfort Levels in September in Bayangol

Humidity Comfort Levels in September in BayangolSep1122334455667788991010111112121313141415151616171718181919202021212222232324242525262627272828292930300%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 in Bayangol is essentially constant during September, remaining within 0.2 miles per hour of 10.1 miles per hour throughout.

For reference, on April 29, the windiest day of the year, the daily average wind speed is 13.1 miles per hour, while on January 23, the calmest day of the year, the daily average wind speed is 9.4 miles per hour.

Average Wind Speed in September in Bayangol

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 Bayangol throughout September is predominantly from the west, with a peak proportion of 57% on September 24.

Wind Direction in September in Bayangol

Wind Direction in September in BayangolSep1122334455667788991010111112121313141415151616171718181919202021212222232324242525262627272828292930300%100%20%80%40%60%60%40%80%20%100%0%AugOctwestnorthsouth
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 in Bayangol typically lasts for 2.9 months (89 days), from around June 2 to around August 31, rarely starting before May 17 or after June 20, and rarely ending before August 7 or after September 18.

The month of September in Bayangol is more likely than not fully outside of the growing season, with the chance that a given day is in the growing season rapidly decreasing from 46% to 1% over the course of the month.

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

Time Spent in Various Temperature Bands and the Growing Season in September in BayangolSep1122334455667788991010111112121313141415151616171718181919202021212222232324242525262627272828292930300%100%10%90%20%80%30%70%40%60%50%50%60%40%70%30%80%20%90%10%100%0%AugOctSep 146%Sep 146%Sep 301%Sep 301%Sep 1123%Sep 1123%Sep 216%Sep 216%50%Aug 3150%Aug 3190%Aug 790%Aug 7frigidfreezingvery coldcoldcoolcomfortablewarm
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 Bayangol are gradually increasing during September, increasing by 86°F, from 970°F to 1,056°F, over the course of the month.

Growing Degree Days in September in Bayangol

Growing Degree Days in September in BayangolSep112233445566778899101011111212131314141515161617171818191920202121222223232424252526262727282829293030800°F800°F850°F850°F900°F900°F950°F950°F1,000°F1,000°F1,050°F1,050°F1,100°F1,100°F1,150°F1,150°F1,200°F1,200°F1,250°F1,250°FAugOctSep 1970°FSep 1970°FSep 301,056°FSep 301,056°FSep 111,014°FSep 111,014°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 Bayangol is decreasing during September, falling by 1.4 kWh, from 6.0 kWh to 4.6 kWh, over the course of the month.

Average Daily Incident Shortwave Solar Energy in September in Bayangol

Average Daily Incident Shortwave Solar Energy in September in BayangolSep1122334455667788991010111112121313141415151616171718181919202021212222232324242525262627272828292930300 kWh0 kWh1 kWh1 kWh2 kWh2 kWh3 kWh3 kWh4 kWh4 kWh5 kWh5 kWh6 kWh6 kWh7 kWh7 kWh8 kWh8 kWh9 kWh9 kWhAugOctSep 16.0 kWhSep 16.0 kWhSep 304.6 kWhSep 304.6 kWhSep 115.6 kWhSep 115.6 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 Bayangol are 45.557 deg latitude, 94.364 deg longitude, and 7,008 ft elevation.

The topography within 2 miles of Bayangol contains very significant variations in elevation, with a maximum elevation change of 1,099 feet and an average elevation above sea level of 7,194 feet. Within 10 miles contains very significant variations in elevation (6,112 feet). Within 50 miles also contains extreme variations in elevation (9,019 feet).

The area within 2 miles of Bayangol is covered by bare soil (100%), within 10 miles by bare soil (100%), and within 50 miles by bare soil (99%).

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

Bayangol is further than 200 kilometers from the nearest reliable weather station, so the weather-related data on this page were taken entirely from NASA's MERRA-2 satellite-era reanalysis . 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.

The temperature and dew point estimates are corrected for the difference between the reference elevation of the MERRA-2 grid cell and the elevation of Bayangol, according to the International Standard Atmosphere .

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.

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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