Sault Ste. Marie weather in September 2025

Expect 64°F daytime maximum temperatures in the shade with on average 5 hours of sunshine per day in Sault Ste. Marie in September. Check more long-term weather averages for Sault Ste. Marie in September before you book your next holiday to Michigan in 2025/2026.

  • 64°F maximum daytime temperature in September in Sault Ste. Marie64
    64°F max day temperature
  • 5 hours of sunshine per day
  • 13 days with some rainfall in September in Sault Ste. Marie13
    13 days with some rainfall
  • 45°F minimum night-time temperature in September in Sault Ste. Marie45
    45°F min night temperature
  • 13 hours of daylight per day in September in Sault Ste. Marie13
    13 hours of daylight per day
  • No heat & humidity in September in Sault Ste. Marie0
    No heat & humidity
  • 3.8 inches monthly rainfall in September in Sault Ste. Marie3.8
    3.8 inches of monthly rainfall
  • UV (maximum) index 5 (Moderate) in September in Sault Ste. Marie5
    5 (Moderate) UV index
  • 57°F sea temperature in September in Sault Ste. Marie57
    57°F sea temperature

More about Sault Ste. Marie

Sault Ste. Marie by month

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The September weather guide for Michigan (Sault Ste. Marie) 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)  |  Imperial (°F)

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More about the USA

How hot is it in Sault Ste. Marie in September?

Daytime temperatures usually reach 64°F in Sault Ste. Marie in September, falling to 45°F at night.

How sunny is it in Sault Ste. Marie in September?

There are normally 5 hours of bright sunshine each day in Sault Ste. Marie in September - that's 43% of daylight hours.

How warm is the sea around Sault Ste. Marie in September?

The average sea temperature around Sault Ste. Marie in September is 57°F.

Does it rain in Sault Ste. Marie in September?

There are usually 13 days with some rain in Sault Ste. Marie in September and the average monthly rainfall is 3.8 inches.

Sault Ste. Marie September sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Monday, 1st September 2025 05:58 19:16
Monday, 15th September 2025 06:16 18:48
Tuesday, 30th September 2025 06:35 18:19

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