Climate almanac
Perris
California, United States · 33.78°, -117.23°
What is the weather like in Perris in September?
In September, Perris is typically 89°F (32°C) during the day and 65°F (18°C) at night. The month brings about 0.5 in (12 mm) of precipitation in total.
- Average high89°F (32°C)
- Average low65°F (18°C)
- Precipitation0.5 in (12 mm)
- Clear or mostly clear days23
- Based on2016-2025 daily ERA5 reanalysis data (10-year normals)