Climate almanac
Green River
Wyoming, United States · 41.53°, -109.47°
What is the weather like in Green River in September?
In September, Green River is typically 76°F (24°C) during the day and 49°F (10°C) at night. The month brings about 0.8 in (20 mm) of precipitation in total. Snowfall averages about 0.3 in (7 mm) over the month.
- Average high76°F (24°C)
- Average low49°F (10°C)
- Precipitation0.8 in (20 mm)
- Clear or mostly clear days20
- Snowfall0.3 in (7 mm)
- Based on2016-2025 daily ERA5 reanalysis data (10-year normals)