Climate almanac
Ellensburg
Washington, United States · 47.00°, -120.55°
What is the weather like in Ellensburg in September?
In September, Ellensburg is typically 74°F (23°C) during the day and 49°F (10°C) at night. The month brings about 0.7 in (18 mm) of precipitation in total.
- Average high74°F (23°C)
- Average low49°F (10°C)
- Precipitation0.7 in (18 mm)
- Clear or mostly clear days17
- Based on2016-2025 daily ERA5 reanalysis data (10-year normals)