Climate almanac
Cottage Grove
Oregon, United States · 43.80°, -123.06°
What is the weather like in Cottage Grove in September?
In September, Cottage Grove is typically 77°F (25°C) during the day and 51°F (11°C) at night. The month brings about 2.5 in (63 mm) of precipitation in total.
- Average high77°F (25°C)
- Average low51°F (11°C)
- Precipitation2.5 in (63 mm)
- Clear or mostly clear days16
- Based on2016-2025 daily ERA5 reanalysis data (10-year normals)