Climate almanac
Mentone
California, United States · 34.07°, -117.13°
What is the weather like in Mentone in September?
In September, Mentone is typically 87°F (30°C) during the day and 63°F (17°C) at night. The month brings about 0.6 in (14 mm) of precipitation in total.
- Average high87°F (30°C)
- Average low63°F (17°C)
- Precipitation0.6 in (14 mm)
- Clear or mostly clear days26
- Based on2016-2025 daily ERA5 reanalysis data (10-year normals)