Climate almanac
Alamosa
Colorado, United States · 37.47°, -105.87°
What is the weather like in Alamosa in September?
In September, Alamosa is typically 75°F (24°C) during the day and 45°F (7°C) at night. The month brings about 1.1 in (27 mm) of precipitation in total. Snowfall averages about 0.9 in (24 mm) over the month.
- Average high75°F (24°C)
- Average low45°F (7°C)
- Precipitation1.1 in (27 mm)
- Clear or mostly clear days22
- Snowfall0.9 in (24 mm)
- Based on2016-2025 daily ERA5 reanalysis data (10-year normals)