Climate almanac
Bismarck
North Dakota, United States · 46.81°, -100.78°
What is the weather like in Bismarck in September?
In September, Bismarck is typically 75°F (24°C) during the day and 51°F (11°C) at night. The month brings about 2.0 in (52 mm) of precipitation in total.
- Average high75°F (24°C)
- Average low51°F (11°C)
- Precipitation2.0 in (52 mm)
- Clear or mostly clear days16
- Based on2016-2025 daily ERA5 reanalysis data (10-year normals)