Climate almanac
Seaside
Oregon, United States · 45.99°, -123.92°
What is the weather like in Seaside in September?
In September, Seaside is typically 62°F (17°C) during the day and 56°F (13°C) at night. The month brings about 2.8 in (71 mm) of precipitation in total.
- Average high62°F (17°C)
- Average low56°F (13°C)
- Precipitation2.8 in (71 mm)
- Clear or mostly clear days8
- Based on2016-2025 daily ERA5 reanalysis data (10-year normals)