Wisconsin weather in September 2024

Expect 22°C daytime maximum temperatures in the shade with on average 7 hours of sunshine per day in Wisconsin in September. Check more long-term weather averages for Wisconsin in September before you book your next holiday to Wisconsin in 2024/2025.

  • 22°C maximum daytime temperature in September in Wisconsin (Milwaukee)22
    22°C max day temperature
  • 7 hours of sunshine per day
  • 10 days with some rainfall in September in Wisconsin (Milwaukee)10
    10 days with some rainfall
  • 12°C minimum night-time temperature in September in Wisconsin (Milwaukee)12
    12°C min night temperature
  • 12 hours of daylight per day in September in Wisconsin (Milwaukee)12
    12 hours of daylight per day
  • No heat & humidity in September in Wisconsin (Milwaukee)0
    No heat & humidity
  • 82 mm monthly rainfall in September in Wisconsin (Milwaukee)82
    82 mm of monthly rainfall
  • UV (maximum) index 6 (High) in September in Wisconsin (Milwaukee)6
    6 (High) UV index
  • 19°C sea temperature in September in Wisconsin (Milwaukee)19
    19°C sea temperature

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The September weather guide for Wisconsin (Milwaukee) 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 Wisconsin destinations

Below are average maximum temperatures at popular destinations in Wisconsin in September. Select a destination to see more weather parameters.

All Wisconsin destinations

Metric (°C / mm)  |  Imperial (°F / inches)

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More about the USA

How hot is it in Wisconsin in September?

Daytime temperatures usually reach 22°C in Milwaukee, Wisconsin in September, falling to 12°C at night.

How sunny is it in Wisconsin in September?

There are normally 7 hours of bright sunshine each day in Milwaukee, Wisconsin in September - that's 57% of daylight hours.

How warm is the sea around Wisconsin in September?

The average sea temperature around Milwaukee, Wisconsin in September is 19°C.

Does it rain in Wisconsin in September?

There are usually 10 days with some rain in Milwaukee, Wisconsin in September and the average monthly rainfall is 82mm.

Wisconsin September sunrise & sunset times

Browse the sunrise and sunset times for Wisconsin in September 2024. Select a month to view Wisconsin sunrise and sunset times for the next 12 months. The Wisconsin sunrise and sunset times shown below are for Milwaukee.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Sunday, 1st September 2024 06:17 19:25
Sunday, 15th September 2024 06:32 19:01
Monday, 30th September 2024 06:49 18:34

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