Weather in Big Sky: September
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Average day temperature: | 69.3°F |
| Average night temperature: | 49.9°F | |
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Number of sunny days: | 20 days |
| Day length: | 11.7 - 13.2 hours | |
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Number of rainy days: | 2 days |
| Precipitation totals: | 1.0 in. | |
| more information | ||
14 days
forecast
forecast
| Big Sky |
weather in
October
October
| Big Sky |
Air temperature in September, °F
Show year:
2023
2022
2021
The highest day temperature during September of 2023 was 84°F. At the same time the lowest night temperature was 39°F. Day and night temperature averages during September were 66.6°F and 49.1°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 Big Sky in September is 1.0 in. Other months of the year show relatively similar values.
Wind speed in September, mph
The average wind speed value in September is 5.3 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: 9.0.
Best time for vacation in Big Sky
Big Sky on a weather map
Places in USA:
Name
°F
24 Hours Forecast
Big Sky
Local time: 13:27
May 18, saturday
1500
50°F
NE
14 mph
14 mph
1800
46°F
NE
14 mph
14 mph
2100
37°F
N
5 mph
5 mph
May 19, sunday
0000
36°F
NE
3 mph
3 mph
0300
32°F
NW
4 mph
4 mph
0600
32°F
N
2 mph
2 mph
0900
36°F
SE
6 mph
6 mph
1200
36°F
SE
9 mph
9 mph
