Minnesota weather in September 2025

Expect 21°C daytime maximum temperatures in the shade with on average 8 hours of sunshine per day in Minnesota in September. Check more long-term weather averages for Minnesota in September before you book your next holiday to Minnesota in 2025/2026.

  • 21°C maximum daytime temperature in September in Minnesota (Minneapolis)21
    21°C max day temperature
  • 8 hours of sunshine per day
  • 10 days with some rainfall in September in Minnesota (Minneapolis)10
    10 days with some rainfall
  • 10°C minimum night-time temperature in September in Minnesota (Minneapolis)10
    10°C min night temperature
  • 12 hours of daylight per day in September in Minnesota (Minneapolis)12
    12 hours of daylight per day
  • No heat & humidity in September in Minnesota (Minneapolis)0
    No heat & humidity
  • 70 mm monthly rainfall in September in Minnesota (Minneapolis)70
    70 mm of monthly rainfall
  • UV (maximum) index 5 (Moderate) in September in Minnesota (Minneapolis)5
    5 (Moderate) UV index

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The September weather guide for Minnesota (Minneapolis) 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 Minnesota destinations

Below are average maximum temperatures at popular countries, regions and places in Minnesota in September. Select a holiday destination to see more weather parameters.

All Minnesota destinations

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

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How hot is it in Minnesota in September?

Daytime temperatures usually reach 21°C in Minneapolis, Minnesota in September, falling to 10°C at night.

How sunny is it in Minnesota in September?

There are normally 8 hours of bright sunshine each day in Minneapolis, Minnesota in September - that's 61% of daylight hours.

Does it rain in Minnesota in September?

There are usually 10 days with some rain in Minneapolis, Minnesota in September and the average monthly rainfall is 70mm.

Minnesota September sunrise & sunset times

Browse the sunrise and sunset times for Minnesota in September 2025. Select a month to view Minnesota sunrise and sunset times for the next 12 months. The Minnesota sunrise and sunset times shown below are for Minneapolis.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Monday, 1st September 2025 05:36 18:50
Monday, 15th September 2025 05:52 18:23
Tuesday, 30th September 2025 06:10 17:55

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