Climate almanac
Oakley
California, United States · 38.00°, -121.71°
What is the weather like in Oakley in September?
In September, Oakley is typically 85°F (29°C) during the day and 59°F (15°C) at night. The month brings about 0.1 in (3 mm) of precipitation in total.
- Average high85°F (29°C)
- Average low59°F (15°C)
- Precipitation0.1 in (3 mm)
- Clear or mostly clear days25
- Based on2016-2025 daily ERA5 reanalysis data (10-year normals)