Climate almanac
Hilton Head Island
South Carolina, United States · 32.19°, -80.74°
What is the weather like in Hilton Head Island in September?
In September, Hilton Head Island is typically 83°F (28°C) during the day and 74°F (23°C) at night. The month brings about 5.3 in (133 mm) of precipitation in total.
- Average high83°F (28°C)
- Average low74°F (23°C)
- Precipitation5.3 in (133 mm)
- Clear or mostly clear days12
- Based on2016-2025 daily ERA5 reanalysis data (10-year normals)