Climate almanac

San Francisco

Cordoba, Argentina · -31.42°, -62.08°

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What is the weather like in San Francisco in September?

In September, San Francisco is typically 75°F (24°C) during the day and 52°F (11°C) at night. The month brings about 1.1 in (28 mm) of precipitation in total.

  • Average high75°F (24°C)
  • Average low52°F (11°C)
  • Precipitation1.1 in (28 mm)
  • Clear or mostly clear days19
  • Based on2016-2025 daily ERA5 reanalysis data (10-year normals)