Climate almanac
West Valley
Washington, United States · 46.59°, -120.61°
What is the weather like in West Valley in September?
In September, West Valley is typically 81°F (27°C) during the day and 51°F (11°C) at night. The month brings about 0.3 in (9 mm) of precipitation in total.
- Average high81°F (27°C)
- Average low51°F (11°C)
- Precipitation0.3 in (9 mm)
- Clear or mostly clear days18
- Based on2016-2025 daily ERA5 reanalysis data (10-year normals)