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Climate almanac

Hartsville

South Carolina, United States · 34.37°, -80.07°

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What is the weather like in Hartsville in September?

In September, Hartsville is typically 86°F (30°C) during the day and 68°F (20°C) at night. The month brings about 5.3 in (135 mm) of precipitation in total.

  • Average high86°F (30°C)
  • Average low68°F (20°C)
  • Precipitation5.3 in (135 mm)
  • Clear or mostly clear days14
  • Based on2016-2025 daily ERA5 reanalysis data (10-year normals)