Climate almanac
Vermillion
South Dakota, United States · 42.78°, -96.93°
What is the weather like in Vermillion in September?
In September, Vermillion is typically 80°F (27°C) during the day and 58°F (14°C) at night. The month brings about 2.4 in (60 mm) of precipitation in total.
- Average high80°F (27°C)
- Average low58°F (14°C)
- Precipitation2.4 in (60 mm)
- Clear or mostly clear days18
- Based on2016-2025 daily ERA5 reanalysis data (10-year normals)