Climate almanac
Coralville
Iowa, United States · 41.68°, -91.58°
What is the weather like in Coralville in September?
In September, Coralville is typically 79°F (26°C) during the day and 58°F (14°C) at night. The month brings about 3.7 in (94 mm) of precipitation in total.
- Average high79°F (26°C)
- Average low58°F (14°C)
- Precipitation3.7 in (94 mm)
- Clear or mostly clear days15
- Based on2016-2025 daily ERA5 reanalysis data (10-year normals)