Climate almanac
Modesto
California, United States · 37.64°, -121.00°
What is the weather like in Modesto in September?
In September, Modesto is typically 89°F (32°C) during the day and 61°F (16°C) at night. The month brings about 0.2 in (4 mm) of precipitation in total.
- Average high89°F (32°C)
- Average low61°F (16°C)
- Precipitation0.2 in (4 mm)
- Clear or mostly clear days26
- Based on2016-2025 daily ERA5 reanalysis data (10-year normals)