Weather in Twin Falls: September
| Average day temperature: | 80.0°F | |
| Average night temperature: | 55.3°F | |
| Number of sunny days: | 25 days | |
| Day length: | 11.8 - 13.1 hours | |
| 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: 14:09
December 24, wednesday
1500

57°F
NW
3 mph
3 mph
1800

48°F
S
6 mph
6 mph
2100

45°F
S
7 mph
7 mph
December 25, thursday
0000

45°F
SE
10 mph
10 mph
0300

43°F
NW
4 mph
4 mph
0600

39°F
W
8 mph
8 mph
0900

39°F
W
10 mph
10 mph
1200

48°F
NW
8 mph
8 mph




























