Climate almanac
Carbondale
Colorado, United States · 39.40°, -107.21°
What is the weather like in Carbondale in September?
In September, Carbondale is typically 73°F (23°C) during the day and 42°F (6°C) at night. The month brings about 0.9 in (23 mm) of precipitation in total. Snowfall averages about 0.1 in (3 mm) over the month.
- Average high73°F (23°C)
- Average low42°F (6°C)
- Precipitation0.9 in (23 mm)
- Clear or mostly clear days20
- Snowfall0.1 in (3 mm)
- Based on2016-2025 daily ERA5 reanalysis data (10-year normals)