Climate almanac
West Slope
Oregon, United States · 45.50°, -122.76°
What is the weather like in West Slope in September?
In September, West Slope is typically 78°F (25°C) during the day and 54°F (12°C) at night. The month brings about 1.9 in (48 mm) of precipitation in total.
- Average high78°F (25°C)
- Average low54°F (12°C)
- Precipitation1.9 in (48 mm)
- Clear or mostly clear days12
- Based on2016-2025 daily ERA5 reanalysis data (10-year normals)