Climate almanac
Bellingham
Washington, United States · 48.76°, -122.49°
What is the weather like in Bellingham in September?
In September, Bellingham is typically 65°F (18°C) during the day and 56°F (13°C) at night. The month brings about 3.6 in (91 mm) of precipitation in total.
- Average high65°F (18°C)
- Average low56°F (13°C)
- Precipitation3.6 in (91 mm)
- Clear or mostly clear days8
- Based on2016-2025 daily ERA5 reanalysis data (10-year normals)