Climate almanac
Billerica
Massachusetts, United States · 42.56°, -71.27°
What is the weather like in Billerica in September?
In September, Billerica is typically 74°F (24°C) during the day and 58°F (14°C) at night. The month brings about 3.4 in (85 mm) of precipitation in total.
- Average high74°F (24°C)
- Average low58°F (14°C)
- Precipitation3.4 in (85 mm)
- Clear or mostly clear days11
- Based on2016-2025 daily ERA5 reanalysis data (10-year normals)