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Climate almanac

Saint Clair

Michigan, United States · 42.82°, -82.49°

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What is the weather like in Saint Clair in September?

In September, Saint Clair is typically 73°F (23°C) during the day and 59°F (15°C) at night. The month brings about 2.7 in (69 mm) of precipitation in total.

  • Average high73°F (23°C)
  • Average low59°F (15°C)
  • Precipitation2.7 in (69 mm)
  • Clear or mostly clear days12
  • Based on2016-2025 daily ERA5 reanalysis data (10-year normals)