Weather in Great Falls: September
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Average day temperature: | 73.8°F |
| Average night temperature: | 53.7°F | |
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Number of sunny days: | 20 days |
| Day length: | 11.7 - 13.3 hours | |
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Number of rainy days: | 2 days |
| Precipitation totals: | 0.9 in. | |
| more information | ||
14 days
forecast
forecast
| Great Falls |
weather in
October
October
| Great Falls |
Air temperature in September, °F
Show year:
2024
2023
2022
The highest day temperature during September of 2024 was 87°F. At the same time the lowest night temperature was 39°F. Day and night temperature averages during September were 73.6°F and 53.7°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 Great Falls in September is 0.9 in. Other months of the year show relatively similar values.
Wind speed in September, mph
The average wind speed value in September is 7.7 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: 9.1.
Best time for vacation in Great Falls
Great Falls on a weather map
Places in USA:
Name
°F
24 Hours Forecast
Great Falls
Local time: 02:02
December 22, sunday
0300
39°F
NE
20 mph
20 mph
0600
36°F
NE
20 mph
20 mph
0900
34°F
NE
17 mph
17 mph
1200
43°F
NE
20 mph
20 mph
1500
46°F
NE
17 mph
17 mph
1800
37°F
NE
17 mph
17 mph
2100
36°F
NE
16 mph
16 mph
December 23, monday
0000
36°F
NE
17 mph
17 mph
