Climate almanac
Greeley
Colorado, United States · 40.42°, -104.71°
What is the weather like in Greeley in September?
In September, Greeley is typically 84°F (29°C) during the day and 54°F (12°C) at night. The month brings about 0.7 in (19 mm) of precipitation in total. Snowfall averages about 0.2 in (5 mm) over the month.
- Average high84°F (29°C)
- Average low54°F (12°C)
- Precipitation0.7 in (19 mm)
- Clear or mostly clear days19
- Snowfall0.2 in (5 mm)
- Based on2016-2025 daily ERA5 reanalysis data (10-year normals)