Detroit weather in September 2020

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  • 23°C maximum daytime temperature in September in Detroit23
    23°C max day temperature
  • 7 hours of sunshine per day
  • 10 days with some rainfall in September in Detroit10
    10 days with some rainfall
  • 13°C minimum night-time temperature in September in Detroit13
    13°C min night temperature
  • 12 hours of daylight per day in September in Detroit12
    12 hours of daylight per day
  • No heat & humidity in September in Detroit0
    No heat & humidity
  • 73 mm monthly rainfall in September in Detroit73
    73 mm of monthly rainfall
  • UV (maximum) index 6 (High) in September in Detroit6
    6 (High) UV index
  • 20°C sea temperature in September in Detroit20
    20°C sea temperature
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The September weather guide for Detroit, Michigan 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.

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How hot is it in Detroit in September?

Daytime temperatures usually reach 23°C in Detroit in September, falling to 13°C at night.

How sunny is it in Detroit in September?

There are normally 7 hours of bright sunshine each day in Detroit in September - that's 54% of daylight hours.

How warm is the sea around Detroit in September?

The average sea temperature around Detroit in September is 20°C.

Does it rain in Detroit in September?

There are usually 10 days with some rain in Detroit in September and the average monthly rainfall is 73mm.

Detroit sunrise & sunset times for September 2020

Browse the sunrise & sunset times for Detroit in September 2020. Select a month to view Detroit sunrise & sunset times for the next twelve months.


Date Sunrise times Sunset times
Tuesday, 1st September 2020 06:58 20:05
Tuesday, 15th September 2020 07:13 19:41
Wednesday, 30th September 2020 07:29 19:14
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Metric (°C / mm)  |  Imperial (°F / inches)

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Where is hot in Michigan in September for 2020/2021?

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

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