Climate almanac
Amherst
Massachusetts, United States · 42.37°, -72.52°
What is the weather like in Amherst in September?
In September, Amherst is typically 74°F (24°C) during the day and 57°F (14°C) at night. The month brings about 3.9 in (100 mm) of precipitation in total.
- Average high74°F (24°C)
- Average low57°F (14°C)
- Precipitation3.9 in (100 mm)
- Clear or mostly clear days11
- Based on2016-2025 daily ERA5 reanalysis data (10-year normals)