Climate almanac
La Grande
Oregon, United States · 45.32°, -118.09°
What is the weather like in La Grande in September?
In September, La Grande is typically 73°F (23°C) during the day and 44°F (7°C) at night. The month brings about 1.2 in (31 mm) of precipitation in total.
- Average high73°F (23°C)
- Average low44°F (7°C)
- Precipitation1.2 in (31 mm)
- Clear or mostly clear days16
- Based on2016-2025 daily ERA5 reanalysis data (10-year normals)