Climate almanac
Holmesburg
Pennsylvania, United States · 40.04°, -75.03°
What is the weather like in Holmesburg in September?
In September, Holmesburg is typically 79°F (26°C) during the day and 63°F (17°C) at night. The month brings about 3.6 in (92 mm) of precipitation in total.
- Average high79°F (26°C)
- Average low63°F (17°C)
- Precipitation3.6 in (92 mm)
- Clear or mostly clear days11
- Based on2016-2025 daily ERA5 reanalysis data (10-year normals)