Des Moines weather in September 2024

Expect 24°C daytime maximum temperatures in the shade with on average 8 hours of sunshine per day in Des Moines in September. Check more long-term weather averages for Des Moines in September before you book your next holiday to Iowa in 2024/2025.

  • 24°C maximum daytime temperature in September in Des Moines24
    24°C max day temperature
  • 8 hours of sunshine per day
  • 9 days with some rainfall in September in Des Moines9
    9 days with some rainfall
  • 12°C minimum night-time temperature in September in Des Moines12
    12°C min night temperature
  • 12 hours of daylight per day in September in Des Moines12
    12 hours of daylight per day
  • No heat & humidity in September in Des Moines0
    No heat & humidity
  • 91 mm monthly rainfall in September in Des Moines91
    91 mm of monthly rainfall
  • UV (maximum) index 6 (High) in September in Des Moines6
    6 (High) UV index

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The September weather guide for Iowa (Des Moines) 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 Des Moines in September?

Daytime temperatures usually reach 24°C in Des Moines in September, falling to 12°C at night.

How sunny is it in Des Moines in September?

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

Does it rain in Des Moines in September?

There are usually 9 days with some rain in Des Moines in September and the average monthly rainfall is 91mm.

Des Moines September sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Sunday, 1st September 2024 06:41 19:47
Sunday, 15th September 2024 06:55 19:23
Monday, 30th September 2024 07:11 18:57

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