Climate almanac
Coos Bay
Oregon, United States · 43.37°, -124.22°
What is the weather like in Coos Bay in September?
In September, Coos Bay is typically 67°F (20°C) during the day and 54°F (12°C) at night. The month brings about 1.5 in (39 mm) of precipitation in total.
- Average high67°F (20°C)
- Average low54°F (12°C)
- Precipitation1.5 in (39 mm)
- Clear or mostly clear days14
- Based on2016-2025 daily ERA5 reanalysis data (10-year normals)