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Climate almanac

Steilacoom

Washington, United States · 47.17°, -122.60°

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What is the weather like in Steilacoom in September?

In September, Steilacoom is typically 71°F (22°C) during the day and 56°F (14°C) at night. The month brings about 2.4 in (60 mm) of precipitation in total.

  • Average high71°F (22°C)
  • Average low56°F (14°C)
  • Precipitation2.4 in (60 mm)
  • Clear or mostly clear days9
  • Based on2016-2025 daily ERA5 reanalysis data (10-year normals)