Climate almanac
Nantucket
Massachusetts, United States · 41.28°, -70.10°
What is the weather like in Nantucket in September?
In September, Nantucket is typically 67°F (19°C) during the day and 64°F (18°C) at night. The month brings about 4.5 in (115 mm) of precipitation in total.
- Average high67°F (19°C)
- Average low64°F (18°C)
- Precipitation4.5 in (115 mm)
- Clear or mostly clear days11
- Based on2016-2025 daily ERA5 reanalysis data (10-year normals)