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Coldest 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.

Coldest in September

Allston Creek, Murrells Inlet, South Carolina

26.9°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 coldest South Carolina beaches in September

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

# Location September mean
1 Cherry Grove (inside), South Carolina South Carolina 27.0°C
2 Dunn Sound, Little River Inlet, South Carolina South Carolina 27.0°C
3 Dunn Sound, north end, South Carolina South Carolina 27.0°C
4 Dunn Sound, west end, South Carolina South Carolina 27.0°C
5 Conway, RR. bridge, Waccamaw River, South Carolina South Carolina 26.9°C
6 Garden City Pier (ocean) South Carolina 26.9°C
7 Grahamville, Waccamaw River, South Carolina South Carolina 26.9°C
8 Myrtle Beach, Combination Bridge, South Carolina South Carolina 26.9°C
9 North Myrtle Beach, South Carolina South Carolina 26.9°C
10 Pitch Landing, Waccamaw River, South Carolina South Carolina 26.9°C
11 Springmaid Pier South Carolina 26.9°C
12 Allston Creek, Murrells Inlet, South Carolina South Carolina 26.9°C
13 Arundel Plantation, Great Pee Dee River, South Carolina South Carolina 26.9°C
14 Bennet's Dock, Pawleys Island Creek South Carolina 26.9°C
15 Black River (south of Dunbar), Great Pee Dee River, South Carolina South Carolina 26.9°C
16 Bucksport, Waccamaw River South Carolina 26.9°C
17 Bull Creek entrance, Waccamaw River, South Carolina South Carolina 26.9°C
18 Captain Alex's Marina, Parsonage Creek, Murrells Inlet, South Carolina South Carolina 26.9°C
19 Carr Creek, 1 mile above entrance, Great Pee Dee River, South Carolina South Carolina 26.9°C
20 Clambank Creek Dock, Goat Island, North Inlet South Carolina 26.9°C
21 Crab Haul Creek north inlet estuary, Oyster Landing South Carolina 26.9°C
22 Cumberland, Sampit River, South Carolina South Carolina 26.9°C
23 Divine's Dock, Murrells Inlet, South Carolina South Carolina 26.9°C
24 Enterprise Landing, Waccamaw River, South Carolina South Carolina 26.9°C
25 Frazier Point, South Carolina South Carolina 26.9°C
Show 25 more ▸
26 Garden City Bridge, Main Creek, Murrells Inlet South Carolina 26.9°C
27 Georgetown, Sampit River, South Carolina South Carolina 26.9°C
28 Hagley Landing, Waccamaw River, South Carolina South Carolina 26.9°C
29 Holly Grove Plantation, Great Pee Dee River, South Carolina South Carolina 26.9°C
30 Jacobs Wharf, Sampit River, South Carolina South Carolina 26.9°C
31 Keysfield, Waccamaw River, South Carolina South Carolina 26.9°C
32 Litchfield Beach bridge, South Carolina South Carolina 26.9°C
33 Little Bull Creek entrance, Bull Creek, Waccamaw River, South Carolina South Carolina 26.9°C
34 Lower Topsaw Landing, Great Pee Dee River, South Carolina South Carolina 26.9°C
35 Midway Inlet North, Pawleys Island, South Carolina South Carolina 26.9°C
36 Oaks Creek, 0.5 mi. above entrance, Murrells Inlet, South Carolina South Carolina 26.9°C
37 Oaks Creek, upper end, Murrells Inlet South Carolina 26.9°C
38 Pawleys Island Pier (ocean) South Carolina 26.9°C
39 Smith's Dock, Murrells Inlet, South Carolina South Carolina 26.9°C
40 Socastee Bridge, South Carolina South Carolina 26.9°C
41 South Island Ferry, Intracoastal Waterway, South Carolina South Carolina 26.9°C
42 South of Sam Worth Game Management Area, Great Pee Dee River, South Carolina South Carolina 26.9°C
43 Thoroughfare Creek entrance, Waccamaw River South Carolina 26.9°C
44 Waccamaw River entrance, Winyah Bay South Carolina 26.9°C
45 Wachesaw Landing, Waccamaw River, South Carolina South Carolina 26.9°C
46 Ward's Dock, Pawleys Inlet South Carolina 26.9°C
47 Weymouth Plantation, Great Pee Dee River, South Carolina South Carolina 26.9°C
48 Windsor Plantation, Black River, Great Pee Dee River South Carolina 26.9°C
49 Winea Plantation, Black River, Great Pee Dee River, South Carolina South Carolina 26.9°C
50 Yauhannah Bridge, Great Pee Dee River, South Carolina South Carolina 26.9°C

Warmest 10 in South Carolina in September

Same data flipped. The warmest spots in the state for this month.

# 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

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