Michigan weather in September 2024

Expect 23°C daytime maximum temperatures in the shade with on average 7 hours of sunshine per day in Michigan in September. Check more long-term weather averages for Michigan in September before you book your next holiday to Michigan in 2024/2025.

  • 23°C maximum daytime temperature in September in Michigan (Detroit)23
    23°C max day temperature
  • 7 hours of sunshine per day
  • 10 days with some rainfall in September in Michigan (Detroit)10
    10 days with some rainfall
  • 13°C minimum night-time temperature in September in Michigan (Detroit)13
    13°C min night temperature
  • 12 hours of daylight per day in September in Michigan (Detroit)12
    12 hours of daylight per day
  • No heat & humidity in September in Michigan (Detroit)0
    No heat & humidity
  • 73 mm monthly rainfall in September in Michigan (Detroit)73
    73 mm of monthly rainfall
  • UV (maximum) index 6 (High) in September in Michigan (Detroit)6
    6 (High) UV index
  • 20°C sea temperature in September in Michigan (Detroit)20
    20°C sea temperature

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