Climate almanac
Santa Monica
California, United States · 34.02°, -118.49°
What is the weather like in Santa Monica in September?
In September, Santa Monica is typically 80°F (27°C) during the day and 65°F (18°C) at night. The month brings about 0.2 in (6 mm) of precipitation in total.
- Average high80°F (27°C)
- Average low65°F (18°C)
- Precipitation0.2 in (6 mm)
- Clear or mostly clear days23
- Based on2016-2025 daily ERA5 reanalysis data (10-year normals)