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Climate almanac

Pleasanton

California, United States · 37.66°, -121.87°

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What is the weather like in Pleasanton in September?

In September, Pleasanton is typically 83°F (29°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 high83°F (29°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)