Climate almanac
Myrtle Beach
South Carolina, United States · 33.69°, -78.89°
What is the weather like in Myrtle Beach in September?
In September, Myrtle Beach is typically 83°F (28°C) during the day and 70°F (21°C) at night. The month brings about 6.7 in (169 mm) of precipitation in total.
- Average high83°F (28°C)
- Average low70°F (21°C)
- Precipitation6.7 in (169 mm)
- Clear or mostly clear days13
- Based on2016-2025 daily ERA5 reanalysis data (10-year normals)