Climate almanac
Cary
Illinois, United States · 42.21°, -88.24°
What is the weather like in Cary in September?
In September, Cary is typically 76°F (24°C) during the day and 59°F (15°C) at night. The month brings about 3.2 in (81 mm) of precipitation in total.
- Average high76°F (24°C)
- Average low59°F (15°C)
- Precipitation3.2 in (81 mm)
- Clear or mostly clear days14
- Based on2016-2025 daily ERA5 reanalysis data (10-year normals)