Climate almanac
Seaside
California, United States · 36.61°, -121.85°
What is the weather like in Seaside in September?
In September, Seaside is typically 70°F (21°C) during the day and 55°F (13°C) at night. The month brings about 0.3 in (7 mm) of precipitation in total.
- Average high70°F (21°C)
- Average low55°F (13°C)
- Precipitation0.3 in (7 mm)
- Clear or mostly clear days22
- Based on2016-2025 daily ERA5 reanalysis data (10-year normals)