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Climate almanac

Holtville

California, United States · 32.81°, -115.38°

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What is the weather like in Holtville in September?

In September, Holtville is typically 104°F (40°C) during the day and 75°F (24°C) at night. The month brings about 0.4 in (11 mm) of precipitation in total.

  • Average high104°F (40°C)
  • Average low75°F (24°C)
  • Precipitation0.4 in (11 mm)
  • Clear or mostly clear days27
  • Based on2016-2025 daily ERA5 reanalysis data (10-year normals)