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South Dakota weather in September 2022
- 2323°C max day temperature
- 88 days with some rainfall
- 99°C min night temperature
- 1212 hours of daylight per day
- 0No heat & humidity
- 7474 mm of monthly rainfall
- 66 (High) UV index
Below are average maximum temperatures at popular destinations in South Dakota in September. Select a destination to see more weather parameters.
Recommended for South Dakota
The September weather guide for South Dakota (Sioux Falls) shows long term weather averages processed from data supplied by CRU (University of East Anglia), the Met Office & the Netherlands Meteorological Institute. Find out more about our data sources.
Metric (°C / mm) | Imperial (°F / inches)
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How hot is it in South Dakota in September?
Daytime temperatures usually reach 23°C in Sioux Falls, South Dakota in September, falling to 9°C at night.
How sunny is it in South Dakota in September?
There are normally 8 hours of bright sunshine each day in Sioux Falls, South Dakota in September - that's 64% of daylight hours.
Does it rain in South Dakota in September?
There are usually 8 days with some rain in Sioux Falls, South Dakota in September and the average monthly rainfall is 74mm.
South Dakota September sunrise & sunset times
Browse the sunrise and sunset times for South Dakota in September 2022. Select a month to view South Dakota sunrise and sunset times for the next 12 months. The South Dakota sunrise and sunset times shown below are for Sioux Falls.
|Date||Sunrise times||Sunset times|
|Thursday, 1st September 2022||06:51||20:02|
|Thursday, 15th September 2022||07:06||19:37|
|Friday, 30th September 2022||07:23||19:09|
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