Weather in Twin Falls: September
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Average day temperature: | 80.0°F |
| Average night temperature: | 55.3°F | |
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Number of sunny days: | 25 days |
| Day length: | 11.8 - 13.1 hours | |
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Number of rainy days: | 1 day |
| Precipitation totals: | 0.3 in. | |
| more information | ||
14 days
forecast
forecast
| Twin Falls |
weather in
October
October
| Twin Falls |
Air temperature in September, °F
Show year:
2025
2024
2023
The highest day temperature during September of 2025 was 96°F. At the same time the lowest night temperature was 43°F. Daily and nightly averages during September were 81.3°F and 53.2°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 Twin Falls in September is 0.3 in. Other months of the year show relatively similar values.
Wind speed in September, mph
The average wind speed value in September is 7.2 mph It makes September lest windy month 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: 10.5.
Best time for vacation in Twin Falls
Twin Falls on a weather map
Places in USA:
Name
°F
24 Hours Forecast
Twin Falls
Local time: 22:32
December 05, friday
0000
39°F
E
14 mph
14 mph
0300
39°F
E
13 mph
13 mph
0600
39°F
E
15 mph
15 mph
0900
39°F
E
14 mph
14 mph
1200
41°F
E
17 mph
17 mph
1500
45°F
E
16 mph
16 mph
1800
45°F
E
20 mph
20 mph
2100
45°F
E
25 mph
25 mph
