Weather in Cheyenne: September
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Average day temperature: | 76.2°F |
| Average night temperature: | 54.3°F | |
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Number of sunny days: | 22 days |
| Day length: | 11.8 - 13.1 hours | |
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Number of rainy days: | 1 day |
| Precipitation totals: | 0.6 in. | |
| more information | ||
14 days
forecast
forecast
| Cheyenne |
weather in
October
October
| Cheyenne |
Air temperature in September, °F
Show year:
2025
2024
2023
The highest day temperature during September of 2025 was 84°F. At the same time the lowest night temperature was 41°F. Daily and nightly averages during September were 72.5°F and 50.8°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 Cheyenne in September is 0.6 in. Other months of the year show relatively similar values.
Wind speed in September, mph
The average wind speed value in September is 7.3 mph It makes September one of the least 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: 9.6.
Best time for vacation in Cheyenne
Cheyenne on a weather map
Places in USA:
Name
°F
24 Hours Forecast
Cheyenne
Local time: 01:08
December 25, thursday
0300
37°F
E
9 mph
9 mph
0600
37°F
NE
11 mph
11 mph
0900
41°F
NE
7 mph
7 mph
1200
52°F
E
15 mph
15 mph
1500
57°F
E
22 mph
22 mph
1800
52°F
E
24 mph
24 mph
2100
45°F
E
25 mph
25 mph
December 26, friday
0000
41°F
E
21 mph
21 mph
