Climate almanac
Rupert
Idaho, United States · 42.62°, -113.68°
What is the weather like in Rupert in September?
In September, Rupert is typically 81°F (27°C) during the day and 50°F (10°C) at night. The month brings about 1.0 in (25 mm) of precipitation in total.
- Average high81°F (27°C)
- Average low50°F (10°C)
- Precipitation1.0 in (25 mm)
- Clear or mostly clear days20
- Based on2016-2025 daily ERA5 reanalysis data (10-year normals)