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Climate almanac

Williamsburg

Virginia, United States · 37.27°, -76.71°

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What is the weather like in Williamsburg in September?

In September, Williamsburg is typically 79°F (26°C) during the day and 68°F (20°C) at night. The month brings about 4.5 in (115 mm) of precipitation in total.

  • Average high79°F (26°C)
  • Average low68°F (20°C)
  • Precipitation4.5 in (115 mm)
  • Clear or mostly clear days11
  • Based on2016-2025 daily ERA5 reanalysis data (10-year normals)