Weather in Sioux Falls: September
Average day temperature: | 78.6°F | |
Average night temperature: | 59.2°F | |
Number of sunny days: | 21 days | |
Day length: | 11.8 - 13.2 hours | |
Number of rainy days: | 1 day | |
Precipitation totals: | 0.5 in. | |
more information |
14 days
forecast
forecast
Sioux Falls |
weather in
October
October
Sioux Falls |
Air temperature in September, °F
Show year:
2024
2023
2022
The highest day temperature during September of 2024 was 93°F. At the same time the lowest night temperature was 40°F. Day and night temperature averages during September were 81.5°F and 56.7°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 Sioux Falls in September is 0.5 in. Other months of the year show relatively similar values.
Wind speed in September, mph
The average wind speed value in September is 10.2 mph
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: 9.7.
Best time for vacation in Sioux Falls
Sioux Falls on a weather map
Places in USA:
Name
°F
24 Hours Forecast
Sioux Falls
Local time: 03:04
December 22, sunday
0600
21°F
N
12 mph
12 mph
0900
23°F
N
14 mph
14 mph
1200
27°F
N
14 mph
14 mph
1500
30°F
N
10 mph
10 mph
1800
28°F
NW
2 mph
2 mph
2100
27°F
SE
7 mph
7 mph
December 23, monday
0000
27°F
SE
9 mph
9 mph
0300
25°F
SE
7 mph
7 mph