Weather in Sioux Falls: September
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Average day temperature: | 77.8°F |
| Average night temperature: | 59.9°F | |
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Number of sunny days: | 20 days |
| Day length: | 11.8 - 13.2 hours | |
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Number of rainy days: | 1 day |
| Precipitation totals: | 0.6 in. | |
| more information | ||
14 days
forecast
forecast
| Sioux Falls |
weather in
October
October
| Sioux Falls |
Air temperature in September, °F
Show year:
2023
2022
2021
The highest day temperature during September of 2023 was 106°F. At the same time the lowest night temperature was 50°F. Day and night temperature averages during September were 82.1°F and 61.7°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 0.6 in. Other months of the year show relatively similar values.
Wind speed in September, mph
The average wind speed value in September is 10.0 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: 9.4.
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: 23:33
May 19, sunday
0000
55°F
E
4 mph
4 mph
0300
54°F
NW
5 mph
5 mph
0600
54°F
NW
6 mph
6 mph
0900
59°F
NW
13 mph
13 mph
1200
57°F
NW
16 mph
16 mph
1500
64°F
NW
19 mph
19 mph
1800
66°F
N
14 mph
14 mph
2100
64°F
NW
12 mph
12 mph
