Eagle River weather in September 2025

Expect 18°C daytime maximum temperatures in the shade with on average 6 hours of sunshine per day in Eagle River in September. Check more long-term weather averages for Eagle River in September before you book your next holiday to Wisconsin in 2025/2026.

  • 18°C maximum daytime temperature in September in Eagle River18
    18°C max day temperature
  • 6 hours of sunshine per day
  • 12 days with some rainfall in September in Eagle River12
    12 days with some rainfall
  • 6°C minimum night-time temperature in September in Eagle River6
    6°C min night temperature
  • 12 hours of daylight per day in September in Eagle River12
    12 hours of daylight per day
  • No heat & humidity in September in Eagle River0
    No heat & humidity
  • 101 mm monthly rainfall in September in Eagle River101
    101 mm of monthly rainfall
  • UV (maximum) index 5 (Moderate) in September in Eagle River5
    5 (Moderate) UV index

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The September weather guide for Wisconsin (Eagle River) 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 Eagle River in September?

Daytime temperatures usually reach 18°C in Eagle River in September, falling to 6°C at night.

How sunny is it in Eagle River in September?

There are normally 6 hours of bright sunshine each day in Eagle River in September - that's 50% of daylight hours.

Does it rain in Eagle River in September?

There are usually 12 days with some rain in Eagle River in September and the average monthly rainfall is 101mm.

Eagle River September sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Monday, 1st September 2025 05:18 18:35
Monday, 15th September 2025 05:36 18:08
Tuesday, 30th September 2025 05:55 17:38

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