Weather in Sioux Falls in september 2025

The weather in Sioux Falls in september comes from statistical datas on the past years. You can view the weather statistics the entire month, but also by clicking on the tabs for the beginning, the middle and the end of the month.

Average weather throughout september

good weather UV index: 6

Weather at 6am
56°F

Partly Cloudy

22%

Moderate rain at times

14%

Fog

12%

Weather at 12pm
74°F

Partly Cloudy

19%

Moderate rain at times

13%

Cloudy

9%

Weather at 6pm
70°F

Partly Cloudy

22%

Moderate rain at times

9%

Heavy rain

6%

Weather at 3am
58°F

Clear/Sunny

45%

Partly Cloudy

22%

Moderate rain at times

14%

Fog

9%



Evolution of daily average temperature and precipitation in Sioux Falls in september

These charts show the evolution of average minimum/maximum temperatures as well as average daily precipitation volume in Sioux Falls in september.


The climate of Sioux Falls in september is good

The climate in september in Sioux Falls is relatively dry (with 3.7in of rainfall over 5 days). It should be noted an improvement from the previous month since in august it receives an average of 4.8in of precipitation over 7 days.

The climate comfortable in that locality september. Temperatures are up to 76°F. The seasonal minimum is 56°F. Thus, the mean temperature average on this month of september in Sioux Falls is 67°F. Note that seasonal normals in contrast with those observed in Sioux Falls in september with a maximum record of 99°F in 2021 and a minimum record of 31°F in 2012. You can plan to have about 4 days with temperatures above 86°F, or 13 of the month.

On this month of september, day length in Sioux Falls is generally 12:29. The sun rises at 06:07 and sunset is at 18:36.

With a good weather, this month is advisable to go in Sioux Falls in United States.



Seasonal average climate and temperature of Sioux Falls in september

Check below seasonal norms These statistics are set from the weather statements of the past years of september.

September
Outside temperature
Average temperature 67°F
Highest temperature 76°F
Lowest temperature 56°F
Highest record temperature 99°F
(2021)
Lowest record temperature 31°F
(2012)
Number of days at +86°F 4 day(s)
(13%)
Number of days at +65°F 27 day(s)
(90%)
Number of days at -32°F 0 day(s)
(0%)
Wind
Wind speed 21km/h
Wind temperature 54°F
Precipitation (rainfall)
Rainfall 3.7in
Number of days with rainfall 5 day(s)
(16%)
Record daily rainfall 2in
(2019)
Snowfall 0cm
Other climate data
Humidity 83%
Visibility 9.31km
Cloud cover 28%
UV index 6
Daily sunshine hours 12
Sunrise and sunset
Time of sunrise 06:07
Time of sunset 18:36
Length of day 12:29
Our opinion about the weather in september
Our opinion at whereandwhen.net good



How was the weather last september?

Here is the day by day recorded weather in Sioux Falls in september 2024:

01-09-2024
Clear/Sunny
58°F to 77°F
02-09-2024
Clear/Sunny
50°F to 85°F
03-09-2024
Clear/Sunny
58°F to 88°F
04-09-2024
Clear/Sunny
63°F to 97°F
05-09-2024
Clear/Sunny
67°F to 83°F
06-09-2024
Clear/Sunny
54°F to 77°F
07-09-2024
Clear/Sunny
47°F to 77°F
08-09-2024
Clear/Sunny
54°F to 88°F
09-09-2024
Clear/Sunny
63°F to 97°F
10-09-2024
Patchy rain nearby
68°F to 95°F
11-09-2024
Clear/Sunny
65°F to 97°F
12-09-2024
Clear/Sunny
63°F to 94°F
13-09-2024
Clear/Sunny
67°F to 92°F
14-09-2024
Clear/Sunny
61°F to 88°F
15-09-2024
Clear/Sunny
65°F to 90°F
16-09-2024
Clear/Sunny
65°F to 90°F
17-09-2024
Light rain shower
67°F to 85°F
18-09-2024
Cloudy
67°F to 85°F
19-09-2024
Clear/Sunny
68°F to 85°F
20-09-2024
Clear/Sunny
54°F to 85°F
21-09-2024
Clear/Sunny
58°F to 77°F
22-09-2024
Overcast
43°F to 67°F
23-09-2024
Clear/Sunny
41°F to 74°F
24-09-2024
Clear/Sunny
52°F to 77°F
25-09-2024
Clear/Sunny
54°F to 85°F
26-09-2024
Clear/Sunny
52°F to 85°F
27-09-2024
Clear/Sunny
52°F to 86°F
28-09-2024
Clear/Sunny
52°F to 88°F
29-09-2024
Clear/Sunny
56°F to 86°F
30-09-2024
Clear/Sunny
58°F to 83°F

Map: other cities in the United States (USA) in september

Cities near Sioux Falls:

Minneapolis (Minnesota) in septemberperfect weather
Des Moines in septembergood weather
Kansas City in septembergood weather
Kansas in septembergood weather
Mount Rushmore in septembergood weather
North Dakota in septembergood weather
Wisconsin in septembergood weather
Illinois in septembergood weather
Missouri in septembergood weather
Chicago in septembergood weather
St. Louis (Missouri) in septembergood weather
Denver in septemberperfect weather
United States in september: See full list of cities

Click over cities on the map for information about the weather in september.

Legend: Sioux Falls perfect weather good tolerable bad very bad


Weather data for Sioux Falls in september:

Weather data for Sioux Falls for september are derived from an average of the weather forecast since 2009 in Sioux Falls. There is a margin of error and these forecasts are to be considered as general information only. The weather in Sioux Falls can vary slightly from year to year, but this data should limit surprises. So you can pack your bags or check for the best time in year to go to Sioux Falls.


Weather in august in Sioux Falls
Weather in october in Sioux Falls
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