Climate almanac
Cape Girardeau
Missouri, United States · 37.31°, -89.52°
What is the weather like in Cape Girardeau in September?
In September, Cape Girardeau is typically 84°F (29°C) during the day and 63°F (17°C) at night. The month brings about 2.8 in (71 mm) of precipitation in total.
- Average high84°F (29°C)
- Average low63°F (17°C)
- Precipitation2.8 in (71 mm)
- Clear or mostly clear days16
- Based on2016-2025 daily ERA5 reanalysis data (10-year normals)