Weather in Ulan Bator: September
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Average day temperature: | 45.7°F |
| Average night temperature: | 52.6°F | |
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Number of sunny days: | 19 days |
| Day length: | 11.7 - 13.4 hours | |
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Number of rainy days: | 2 days |
| Precipitation totals: | 1.2 in. | |
| more information | ||
14 days
forecast
forecast
| Ulan Bator |
weather in
October
October
| Ulan Bator |
Air temperature in September, °F
Show year:
2025
2024
2023
The highest day temperature during September of 2025 was 59°F. At the same time the lowest night temperature was 41°F. Daily and nightly averages during September were 44.8°F and 55.3°F.
Sunny, partly cloudy and cloudy days
Mostly all days in September are sunny but cloudy days are also possible.
Precipitation total in September, in.
Precipitation total value in Ulan Bator in September is 1.6 in. Other months of the year show relatively similar values.
Wind speed in September, mph
The average wind speed value in September is 6.3 mph It makes September one of the most windy months of the year.
Average sunny hours
This chart shows average number of hours during the day when sunlight can reach the ground. It depends on day length and cloudiness during the day. The average number of sunny hours in September is: 8.3.
Best time for vacation in Ulan Bator
Ulan Bator on a weather map
24 Hours Forecast
Ulan Bator
Local time: 09:07
December 07, sunday
1200
-8°F
W
5 mph
5 mph
1500
-8°F
W
4 mph
4 mph
1800
-8°F
W
4 mph
4 mph
2100
-8°F
W
3 mph
3 mph
December 08, monday
0000
-8°F
W
2 mph
2 mph
0300
5°F
N
2 mph
2 mph
0600
10°F
NE
2 mph
2 mph
0900
1°F
N
1 mph
1 mph
