Climate almanac
Niles
Illinois, United States · 42.02°, -87.80°
What is the weather like in Niles in September?
In September, Niles is typically 75°F (24°C) during the day and 61°F (16°C) at night. The month brings about 2.7 in (69 mm) of precipitation in total.
- Average high75°F (24°C)
- Average low61°F (16°C)
- Precipitation2.7 in (69 mm)
- Clear or mostly clear days13
- Based on2016-2025 daily ERA5 reanalysis data (10-year normals)