Climate almanac
Seabrook
New Hampshire, United States · 42.89°, -70.87°
What is the weather like in Seabrook in September?
In September, Seabrook is typically 70°F (21°C) during the day and 60°F (15°C) at night. The month brings about 3.0 in (76 mm) of precipitation in total.
- Average high70°F (21°C)
- Average low60°F (15°C)
- Precipitation3.0 in (76 mm)
- Clear or mostly clear days11
- Based on2016-2025 daily ERA5 reanalysis data (10-year normals)