Climate almanac
Alamo
California, United States · 37.85°, -122.03°
What is the weather like in Alamo in September?
In September, Alamo is typically 82°F (28°C) during the day and 57°F (14°C) at night. The month brings about 0.1 in (4 mm) of precipitation in total.
- Average high82°F (28°C)
- Average low57°F (14°C)
- Precipitation0.1 in (4 mm)
- Clear or mostly clear days22
- Based on2016-2025 daily ERA5 reanalysis data (10-year normals)