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Cedar Rapids weather in September 2025
Expect 24°C daytime maximum temperatures in the shade with on average 8 hours of sunshine per day in Cedar Rapids in September. Check more long-term weather averages for Cedar Rapids in September before you book your next holiday to Iowa in 2025/2026.
- 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
- 9494 mm of monthly rainfall
- 66 (High) UV index
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The September weather guide for Iowa (Cedar Rapids) 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)
More about the USA
How hot is it in Cedar Rapids in September?
Daytime temperatures usually reach 24°C in Cedar Rapids in September, falling to 12°C at night.
How sunny is it in Cedar Rapids in September?
There are normally 8 hours of bright sunshine each day in Cedar Rapids in September - that's 61% of daylight hours.
Does it rain in Cedar Rapids in September?
There are usually 9 days with some rain in Cedar Rapids in September and the average monthly rainfall is 94mm.
Cedar Rapids September sunrise & sunset times
Browse the sunrise and sunset times for Cedar Rapids in September 2025. Select a month to view Cedar Rapids sunrise and sunset times for the next 12 months.
JanFebMarAprMayJunJulAugSepOctNovDec
Date | Sunrise times | Sunset times |
---|---|---|
Monday, 1st September 2025 | 05:33 | 18:40 |
Monday, 15th September 2025 | 05:47 | 18:15 |
Tuesday, 30th September 2025 | 06:03 | 17:49 |
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