Climate almanac
Bayside
California, United States · 40.84°, -124.06°
What is the weather like in Bayside in September?
In September, Bayside is typically 67°F (19°C) during the day and 53°F (12°C) at night. The month brings about 1.1 in (27 mm) of precipitation in total.
- Average high67°F (19°C)
- Average low53°F (12°C)
- Precipitation1.1 in (27 mm)
- Clear or mostly clear days17
- Based on2016-2025 daily ERA5 reanalysis data (10-year normals)