Madison weather in September 2025

Expect 22°C daytime maximum temperatures in the shade with on average 7 hours of sunshine per day in Madison in September. Check more long-term weather averages for Madison in September before you book your next holiday to Wisconsin in 2025/2026.

  • 22°C maximum daytime temperature in September in Madison22
    22°C max day temperature
  • 7 hours of sunshine per day
  • 9 days with some rainfall in September in Madison9
    9 days with some rainfall
  • 9°C minimum night-time temperature in September in Madison9
    9°C min night temperature
  • 12 hours of daylight per day in September in Madison12
    12 hours of daylight per day
  • No heat & humidity in September in Madison0
    No heat & humidity
  • 90 mm monthly rainfall in September in Madison90
    90 mm of monthly rainfall
  • UV (maximum) index 6 (High) in September in Madison6
    6 (High) UV index

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The September weather guide for Wisconsin (Madison) 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 Madison in September?

Daytime temperatures usually reach 22°C in Madison in September, falling to 9°C at night.

How sunny is it in Madison in September?

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

Does it rain in Madison in September?

There are usually 9 days with some rain in Madison in September and the average monthly rainfall is 90mm.

Madison September sunrise & sunset times

Browse the sunrise and sunset times for Madison in September 2025. Select a month to view Madison sunrise and sunset times for the next 12 months.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Monday, 1st September 2025 05:22 18:32
Monday, 15th September 2025 05:37 18:07
Tuesday, 30th September 2025 05:54 17:40

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