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Climate almanac

Communications Hill

California, United States · 37.29°, -121.86°

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What is the weather like in Communications Hill in September?

In September, Communications Hill is typically 82°F (28°C) during the day and 58°F (14°C) at night. The month brings about 0.2 in (5 mm) of precipitation in total.

  • Average high82°F (28°C)
  • Average low58°F (14°C)
  • Precipitation0.2 in (5 mm)
  • Clear or mostly clear days25
  • Based on2016-2025 daily ERA5 reanalysis data (10-year normals)