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Climate almanac

Wilton

California, United States · 38.41°, -121.27°

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What is the weather like in Wilton in September?

In September, Wilton is typically 90°F (32°C) during the day and 60°F (16°C) at night. The month brings about 0.2 in (6 mm) of precipitation in total.

  • Average high90°F (32°C)
  • Average low60°F (16°C)
  • Precipitation0.2 in (6 mm)
  • Clear or mostly clear days25
  • Based on2016-2025 daily ERA5 reanalysis data (10-year normals)