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Ulan Bator weather in September

Weather in Ulan Bator: September

Average day temperature: 45.8°F
Average night temperature: 52.4°F
Number of sunny days: 19 days
Day length: 11.7 - 13.4 hours
Number of rainy days: 2 days
Precipitation totals: 1.3 in.

Air temperature in September, °F

Show year:
2024
2023
2022
1
3
5
7
9
11
13
15
17
19
21
23
25
27
29
31
0
12
24
36
48
60
72
84
96
Day temperature   
Night temperature

The highest day temperature during September of 2024 was 58°F. At the same time the lowest night temperature was 32°F. Day and night temperature averages during September were 44.0°F and 55.2°F.

Sunny, partly cloudy and cloudy days
Sunny days
Partly cloudy days
Cloudy days
57%
30%
13%

Mostly all days in September are sunny but cloudy days are also possible.

Precipitation total in September, in.

jan
feb
mar
apr
may
jun
jul
aug
sep
oct
nov
dec
0.0
1.0
1.9
2.9
3.8
4.8
5.7
6.7
7.6
4.2
5.6
2.9
1.2
1.7
4.2
5.6
2.9
1.2

Precipitation total value in Ulan Bator in September is 1.7 in. Other months of the year show relatively similar values.

Wind speed in September, mph
jan
feb
mar
apr
may
jun
jul
aug
sep
oct
nov
dec
0.0
1.5
3.0
4.5
6.1
7.6
9.1
10.6
3.6
4.7
5.4
5.8
6.1
7.4
8.8
7.9
5.5
4.1
4.0
3.6
4.7
5.4
6.3
5.8
6.1
7.4
8.8
7.9
5.5
4.1
4.0

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
jan
feb
mar
apr
may
jun
jul
aug
sep
oct
nov
dec
0.0
1.7
3.5
5.2
7.0
8.7
10.4
12.2
13.9
4.6
6.0
8.1
8.2
8.7
10.1
10.1
9.2
7.7
5.8
4.7
4.6
6.0
8.1
8.4
8.2
8.7
10.1
10.1
9.2
7.7
5.8
4.7

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: 8.4.

Best time for vacation in Ulan Bator

Sunniest months:
October 20 days
September 19 days
April 19 days
Warmest months:
July 63.4 °F
June 59.6 °F
August 58.0 °F
Coldest months:
January -10.9 °F
February -7.4 °F
December -5.5 °F
Rainiest months:
July 8 days
August 6 days
June 5 days
Windiest months:
May 9.3 mph
April 8.3 mph
June 7.8 mph

Ulan Bator on a weather map

Leaflet | Tiles © Esri
Places in Mongolia:
Name
°F
-4°F
+1°F
24 Hours Forecast
Ulan Bator
Local time: 07:54
January 11, saturday
0900
-4°F
E
2 mph
1200
-9°F
NW
2 mph
1500
-9°F
W
4 mph
1800
-9°F
W
4 mph
2100
-8°F
W
3 mph
January 12, sunday
0000
-6°F
SW
2 mph
0300
1°F
S
1 mph
0600
7°F
SE
4 mph
Units of measurement: °C / °F