Climate almanac
Willow Street
Pennsylvania, United States · 39.98°, -76.28°
What is the weather like in Willow Street in September?
In September, Willow Street is typically 78°F (25°C) during the day and 62°F (17°C) at night. The month brings about 4.0 in (102 mm) of precipitation in total.
- Average high78°F (25°C)
- Average low62°F (17°C)
- Precipitation4.0 in (102 mm)
- Clear or mostly clear days11
- Based on2016-2025 daily ERA5 reanalysis data (10-year normals)