Climate almanac
Ben Lomond
California, United States · 37.09°, -122.09°
What is the weather like in Ben Lomond in September?
In September, Ben Lomond is typically 65°F (18°C) during the day and 59°F (15°C) at night. The month brings about 0.2 in (5 mm) of precipitation in total.
- Average high65°F (18°C)
- Average low59°F (15°C)
- Precipitation0.2 in (5 mm)
- Clear or mostly clear days22
- Based on2016-2025 daily ERA5 reanalysis data (10-year normals)