Climate almanac
Sudden Valley
Washington, United States · 48.72°, -122.35°
What is the weather like in Sudden Valley in September?
In September, Sudden Valley is typically 66°F (19°C) during the day and 52°F (11°C) at night. The month brings about 4.3 in (110 mm) of precipitation in total.
- Average high66°F (19°C)
- Average low52°F (11°C)
- Precipitation4.3 in (110 mm)
- Clear or mostly clear days8
- Based on2016-2025 daily ERA5 reanalysis data (10-year normals)