Climate almanac
Marysville
Washington, United States · 48.05°, -122.18°
What is the weather like in Marysville in September?
In September, Marysville is typically 67°F (20°C) during the day and 55°F (13°C) at night. The month brings about 3.5 in (89 mm) of precipitation in total.
- Average high67°F (20°C)
- Average low55°F (13°C)
- Precipitation3.5 in (89 mm)
- Clear or mostly clear days10
- Based on2016-2025 daily ERA5 reanalysis data (10-year normals)