Climate almanac
Pinckneyville
Illinois, United States · 38.08°, -89.38°
What is the weather like in Pinckneyville in September?
In September, Pinckneyville is typically 83°F (28°C) during the day and 63°F (17°C) at night. The month brings about 2.9 in (75 mm) of precipitation in total.
- Average high83°F (28°C)
- Average low63°F (17°C)
- Precipitation2.9 in (75 mm)
- Clear or mostly clear days15
- Based on2016-2025 daily ERA5 reanalysis data (10-year normals)