Climate almanac
Sebastopol
California, United States · 38.40°, -122.82°
What is the weather like in Sebastopol in September?
In September, Sebastopol is typically 83°F (28°C) during the day and 57°F (14°C) at night. The month brings about 0.3 in (7 mm) of precipitation in total.
- Average high83°F (28°C)
- Average low57°F (14°C)
- Precipitation0.3 in (7 mm)
- Clear or mostly clear days24
- Based on2016-2025 daily ERA5 reanalysis data (10-year normals)