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Warmest beach in South Carolina in September

241 coastal locations in South Carolina ranked by their typical September sea temperature. State-wide average in September: 27.2°C.

Warmest in September

Daufuskie Island

27.8°C

State September average

27.2°C

across 241 coastal locations in South Carolina

Vs annual mean

+6.3°C

above the year-round state average

What the South Carolina water feels like in September

This water temperature is comparable to that of a swimming pool, but it might be higher than most open water swimmers prefer for serious swimming. Make sure to drink plenty of water before and after swimming and don't wear a wetsuit to avoid overheating.

South Carolina monthly average 12.1°C to 28.9°C
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  • Warmest month August 28.9°C
  • Coldest month February 12.1°C
  • Annual mean 21.0°C
  • Months above 20°C 6 of 12

Where September fits in the year

September sits inside the state pattern shown on the left. Browse a different month for a fresh ranking.

South Carolina sea temperature map (live)

Today's reading at every South Carolina beach we track. The list below uses the typical September mean from a decade of daily history.

Zoom in to see individual locations. Click a pin for water temperatures. View list →
°C -2 0 1 3 5 7 9 11 13 15 17 19 21 24 27 30 35

Top 50 warmest South Carolina beaches in September

Sorted by typical September mean. Click any beach for the full location page.

# Location September mean
1 Daufuskie Island South Carolina 27.8°C
2 Hilton Head Island South Carolina 27.8°C
3 Cape Romain, 46 miles east of, South Carolina South Carolina 27.8°C
4 Bloody Point, Daufuskie Island, New River, South Carolina South Carolina 27.7°C
5 Bluffton, May River, South Carolina South Carolina 27.7°C
6 Braddock Point, Hilton Head Island, South Carolina South Carolina 27.7°C
7 Broad Creek, Hilton Head Island, South Carolina South Carolina 27.7°C
8 Bull Creek, Bull Island South, Cooper River, South Carolina South Carolina 27.7°C
9 Bull Island North, May River, South Carolina South Carolina 27.7°C
10 Calibogue Cay, Broad Creek, Hilton Head Island, South Carolina South Carolina 27.7°C
11 Cook Landing Cemetery, New River, South Carolina South Carolina 27.7°C
12 Daufuskie Landing, Daufuskie Island, New River, South Carolina South Carolina 27.7°C
13 Doughboy Island, New River, South Carolina South Carolina 27.7°C
14 Fields Cut, Wright River, South Carolina South Carolina 27.7°C
15 Good Hope Landing, south of, New River, South Carolina South Carolina 27.7°C
16 Haig Point, Daufuskie Island, Cooper River, South Carolina South Carolina 27.7°C
17 Hargray Pier, Daufuskie Island, New River, South Carolina South Carolina 27.7°C
18 Little Back River, Hwy. 17, Back River, Savannah River, South Carolina South Carolina 27.7°C
19 Moreland Cemetery, May River, South Carolina South Carolina 27.7°C
20 Pine Island, Ramshorn Creek, Cooper River, South Carolina South Carolina 27.7°C
21 Rt. 170 bridge, New River, South Carolina South Carolina 27.7°C
22 S.C.L. RR. bridge, Savannah River, Georgia South Carolina 27.7°C
23 Savage I., Savage Creek, Bull Creek, South Carolina South Carolina 27.7°C
24 Turnbridge Landing, Salt Water Creek, South Carolina South Carolina 27.7°C
25 Beaufort South Carolina 27.7°C
Show 25 more ▸
26 Fripp Island South Carolina 27.6°C
27 Hunting Island South Carolina 27.6°C
28 Brickyard Point, Brickyard Creek, Coosaw River, South Carolina South Carolina 27.6°C
29 Capers Creek, Cowen Creek, St. Helena Island, Beaufort River, South Carolina South Carolina 27.6°C
30 Capers Island, Trenchards Inlet, South Carolina South Carolina 27.6°C
31 Club Bridge Creek ent., Trenchards Inlet, South Carolina South Carolina 27.6°C
32 Cowen Creek, Rt. 21 bridge, Beaufort River, South Carolina South Carolina 27.6°C
33 Edding Point, Edding Creek, Morgan River, South Carolina South Carolina 27.6°C
34 Jenkins Creek, 1 mi. above entrance, Morgan River, South Carolina South Carolina 27.6°C
35 Jenkins Creek, Polawana Island, Morgan River, South Carolina South Carolina 27.6°C
36 Lucy Point Creek entrance, Morgan River, South Carolina South Carolina 27.6°C
37 Port Royal Plantation, Hilton Head Island, South Carolina South Carolina 27.6°C
38 Sams Point, Lucy Point Creek, Coosaw River, South Carolina South Carolina 27.6°C
39 Station Creek, County Landing, South Carolina South Carolina 27.6°C
40 Station Creek, west end, South Carolina South Carolina 27.6°C
41 Village Creek Cemetery, Morgan River, South Carolina South Carolina 27.6°C
42 Village Creek Entrance, Morgan River, South Carolina South Carolina 27.6°C
43 Edisto Island South Carolina 27.6°C
44 Kiawah Island South Carolina 27.5°C
45 Seabrook Island South Carolina 27.5°C
46 Folly Beach South Carolina 27.5°C
47 Airy Hall Plantation, Ashepoo River, South Carolina South Carolina 27.4°C
48 Ashepoo, Ashepoo River, South Carolina South Carolina 27.4°C
49 Ashepoo-Coosaw Cutoff, ICWW, Ashepoo River, South Carolina South Carolina 27.4°C
50 Bluff Islands, Ashepoo River, South Carolina South Carolina 27.4°C

Coldest 10 in South Carolina in September

Same data the other way.

# Location September mean
1 Allston Creek, Murrells Inlet, South Carolina South Carolina 26.9°C
2 Arundel Plantation, Great Pee Dee River, South Carolina South Carolina 26.9°C
3 Bennet's Dock, Pawleys Island Creek South Carolina 26.9°C
4 Black River (south of Dunbar), Great Pee Dee River, South Carolina South Carolina 26.9°C
5 Bucksport, Waccamaw River South Carolina 26.9°C
6 Bull Creek entrance, Waccamaw River, South Carolina South Carolina 26.9°C
7 Captain Alex's Marina, Parsonage Creek, Murrells Inlet, South Carolina South Carolina 26.9°C
8 Carr Creek, 1 mile above entrance, Great Pee Dee River, South Carolina South Carolina 26.9°C
9 Clambank Creek Dock, Goat Island, North Inlet South Carolina 26.9°C
10 Crab Haul Creek north inlet estuary, Oyster Landing South Carolina 26.9°C

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