Sioux Falls weather in September 2024

Expect 73°F daytime maximum temperatures in the shade with on average 8 hours of sunshine per day in Sioux Falls in September. Check more long-term weather averages for Sioux Falls in September before you book your next holiday to South Dakota in 2024/2025.

  • 73°F maximum daytime temperature in September in Sioux Falls73
    73°F max day temperature
  • 8 hours of sunshine per day
  • 8 days with some rainfall in September in Sioux Falls8
    8 days with some rainfall
  • 48°F minimum night-time temperature in September in Sioux Falls48
    48°F min night temperature
  • 12 hours of daylight per day in September in Sioux Falls12
    12 hours of daylight per day
  • No heat & humidity in September in Sioux Falls0
    No heat & humidity
  • 2.9 inches monthly rainfall in September in Sioux Falls2.9
    2.9 inches of monthly rainfall
  • UV (maximum) index 6 (High) in September in Sioux Falls6
    6 (High) UV index

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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)  |  Imperial (°F)

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How hot is it in Sioux Falls in September?

Daytime temperatures usually reach 73°F in Sioux Falls in September, falling to 48°F at night.

How sunny is it in Sioux Falls in September?

There are normally 8 hours of bright sunshine each day in Sioux Falls in September - that's 64% of daylight hours.

Does it rain in Sioux Falls in September?

There are usually 8 days with some rain in Sioux Falls in September and the average monthly rainfall is 2.9 inches.

Sioux Falls September sunrise & sunset times

Browse the sunrise and sunset times for Sioux Falls in September 2024. Select a month to view Sioux Falls sunrise and sunset times for the next 12 months.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Sunday, 1st September 2024 06:51 20:01
Sunday, 15th September 2024 07:07 19:36
Monday, 30th September 2024 07:24 19:09

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