Climate almanac
Riverton
Wyoming, United States · 43.02°, -108.38°
What is the weather like in Riverton in September?
In September, Riverton is typically 77°F (25°C) during the day and 48°F (9°C) at night. The month brings about 0.9 in (24 mm) of precipitation in total. Snowfall averages about 0.6 in (16 mm) over the month.
- Average high77°F (25°C)
- Average low48°F (9°C)
- Precipitation0.9 in (24 mm)
- Clear or mostly clear days20
- Snowfall0.6 in (16 mm)
- Based on2016-2025 daily ERA5 reanalysis data (10-year normals)