Seasonal ranking
Coldest sea temperature in South Carolina in September
Where the sea is coolest across South Carolina during September, ranked by long-term monthly average water temperature. Myrtle Beach (South Carolina, United States) is the coolest at around 27°C. Open any spot for today's live water temperature and a 7-day swim forecast.
- 1Myrtle BeachSouth Carolina · United States · Atlantic OceanWarm — comfortable swimming27°CSeptember average
- 2North Myrtle BeachSouth Carolina · United States · Atlantic OceanWarm — comfortable swimming27°CSeptember average
- 3Garden City BeachSouth Carolina · United States · Atlantic OceanWarm — comfortable swimming27°CSeptember average
- 4Pawleys IslandSouth Carolina · United States · Atlantic OceanWarm — comfortable swimming27°CSeptember average
- 5Folly BeachSouth Carolina · United States · Atlantic OceanWarm — comfortable swimming27°CSeptember average
- 6Sullivan's IslandSouth Carolina · United States · Atlantic OceanWarm — comfortable swimming27°CSeptember average
- 7Isle of PalmsSouth Carolina · United States · Atlantic OceanWarm — comfortable swimming27°CSeptember average
- 8Kiawah BeachSouth Carolina · United States · Atlantic OceanWarm — comfortable swimming27°CSeptember average
- 9Seabrook IslandSouth Carolina · United States · Atlantic OceanWarm — comfortable swimming27°CSeptember average
- 10Edisto BeachSouth Carolina · United States · Atlantic OceanWarm — comfortable swimming27°CSeptember average
- 11Hilton HeadSouth Carolina · United States · Atlantic OceanWarm — comfortable swimming27°CSeptember average
- 12Hunting IslandSouth Carolina · United States · Atlantic OceanWarm — comfortable swimming27°CSeptember average
- 13Fripp IslandSouth Carolina · United States · Atlantic OceanWarm — comfortable swimming27°CSeptember average
- 14Litchfield BeachSouth Carolina · United States · Atlantic OceanWarm — comfortable swimming27°CSeptember average
- 15Surfside BeachSouth Carolina · United States · Atlantic OceanWarm — comfortable swimming27°CSeptember average
Coldest sea in September elsewhere
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South Carolina in September — frequently asked questions
- Where is the sea coldest in South Carolina in September?
- Myrtle Beach in United States has the coldest sea in South Carolina in September, averaging about 27.0 °C. North Myrtle Beach (27.0 °C) and Garden City Beach are the next coolest.
- How many beaches in South Carolina are warm enough to swim in September?
- 15 of the top 15 ranked beaches in South Carolina average 22 °C or more in September, which most swimmers find comfortable without a wetsuit.
- How are these September sea temperatures calculated?
- Each figure is a long-term monthly average sea surface temperature for that location, so it reflects a typical September rather than today's reading. Open a beach page for the live water temperature and 7-day forecast.
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