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Iowa weather in September 2024
Expect 24°C daytime maximum temperatures in the shade with on average 8 hours of sunshine per day in Iowa in September. Check more long-term weather averages for Iowa in September before you book your next holiday to Iowa in 2024/2025.
- 2424°C max day temperature
- 8 hours of sunshine per day
- 99 days with some rainfall
- 1212°C min night temperature
- 1212 hours of daylight per day
- 0No heat & humidity
- 9191 mm of monthly rainfall
- 66 (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.
Top Iowa destinations
Below are average maximum temperatures at popular destinations in Iowa in September. Select a destination to see more weather parameters.
All Iowa destinations
Metric (°C / mm) | Imperial (°F / inches)
More about the USA
How hot is it in Iowa in September?
Daytime temperatures usually reach 24°C in Des Moines, Iowa in September, falling to 12°C at night.
How sunny is it in Iowa in September?
There are normally 8 hours of bright sunshine each day in Des Moines, Iowa in September - that's 64% of daylight hours.
Does it rain in Iowa in September?
There are usually 9 days with some rain in Des Moines, Iowa in September and the average monthly rainfall is 91mm.
Iowa September sunrise & sunset times
Browse the sunrise and sunset times for Iowa in September 2024. Select a month to view Iowa sunrise and sunset times for the next 12 months. The Iowa sunrise and sunset times shown below are for Des Moines.
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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