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.

  • 24°C maximum daytime temperature in September in Cedar Rapids24
    24°C max day temperature
  • 8 hours of sunshine per day
  • 9 days with some rainfall in September in Cedar Rapids9
    9 days with some rainfall
  • 12°C minimum night-time temperature in September in Cedar Rapids12
    12°C min night temperature
  • 12 hours of daylight per day in September in Cedar Rapids12
    12 hours of daylight per day
  • No heat & humidity in September in Cedar Rapids0
    No heat & humidity
  • 94 mm monthly rainfall in September in Cedar Rapids94
    94 mm of monthly rainfall
  • UV (maximum) index 6 (High) in September in Cedar Rapids6
    6 (High) UV index

More about Cedar Rapids

Cedar Rapids by month

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Recommended for Iowa

Travel Up: up to 40% with flights + hotel deals

  • Combine flights + hotel & save up to 40% on holiday bookings
  • Search for holiday deals for destinations worldwide
  • Filter offers by price, board basis, star rating & more
Go to Travel Up deal >>

View all Travel Up offers

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)

Back to top

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

Related posts

Popular travel offers

Explore holidays in the sun for less

More holidays

Airport parking

More parking

Airport lounges

More lounges

Top ^