Climate almanac
Sterling
Colorado, United States · 40.63°, -103.21°
What is the weather like in Sterling in September?
In September, Sterling is typically 84°F (29°C) during the day and 54°F (12°C) at night. The month brings about 1.0 in (24 mm) of precipitation in total. Snowfall averages about 0.2 in (4 mm) over the month.
- Average high84°F (29°C)
- Average low54°F (12°C)
- Precipitation1.0 in (24 mm)
- Clear or mostly clear days18
- Snowfall0.2 in (4 mm)
- Based on2016-2025 daily ERA5 reanalysis data (10-year normals)