Climate almanac
Palermo
California, United States · 39.44°, -121.54°
What is the weather like in Palermo in September?
In September, Palermo is typically 90°F (32°C) during the day and 61°F (16°C) at night. The month brings about 0.5 in (14 mm) of precipitation in total.
- Average high90°F (32°C)
- Average low61°F (16°C)
- Precipitation0.5 in (14 mm)
- Clear or mostly clear days25
- Based on2016-2025 daily ERA5 reanalysis data (10-year normals)