Climate almanac
California
Maryland, United States · 38.30°, -76.51°
What is the weather like in California in September?
In September, California is typically 77°F (25°C) during the day and 69°F (21°C) at night. The month brings about 4.8 in (121 mm) of precipitation in total.
- Average high77°F (25°C)
- Average low69°F (21°C)
- Precipitation4.8 in (121 mm)
- Clear or mostly clear days11
- Based on2016-2025 daily ERA5 reanalysis data (10-year normals)