World Resorts USA Folly Beach Weather

Folly Beach Sea Temperature in September

Average sea water temperature in September:
+80.9°F
Minimum sea water temperature in September: 86.5°F
Maximum sea water temperature in September: 75.7°F

Daily sea water temperature in September, °F

Show year:
2025
2024
2023

The average sea water temperature in September of 2025 was 79.0°F. The highest and lowest sea temperatures during the month were 81.7°F and 75.7°F.

Monthly sea water temperature in Folly Beach, °F

Which USA resorts have warmest sea in September?

Place name September 2025 September 2024
Key West 86.9°F 87.4°F
Islamorada 86.7°F 87.3°F
Key Largo 86.6°F 87.1°F
Fort Lauderdale 86.4°F 86.4°F
Everglades 86.2°F 87.0°F
Miami Beach 86.1°F 86.3°F
Naples 86.1°F 87.2°F
Marco Island 86.0°F 87.2°F
South Padre Island 86.0°F 85.8°F
Corpus Christi 85.8°F 84.7°F
Miami 85.8°F 86.0°F
Cape Coral 85.2°F 86.5°F
Houston 84.9°F 83.4°F
Siesta Key 84.9°F 86.8°F
Sarasota 84.8°F 86.7°F
Cocoa Beach 84.6°F 85.2°F
Tampa 84.3°F 86.0°F
New Orleans 84.3°F 82.9°F
Mobile 84.0°F 83.5°F
Clearwater Beach 84.0°F 86.2°F

Best time for vacation in Folly Beach

Sunniest months:
October 17 days
April 15 days
November 14 days
Warmest months:
July 87.6 °F
August 85.7 °F
June 84.6 °F
Warmest sea temp:
July 84.2 °F
August 84.2 °F
September 80.9 °F
Coldest months:
January 55.9 °F
December 59.7 °F
February 60.0 °F
Rainiest months:
August 5 days
July 5 days
June 3 days
Windiest months:
January 9.9 mph
March 9.8 mph
December 9.7 mph

Folly Beach on a weather map

Folly Beach
+54°F
NW 3 mph
Feels like: +50°F
Precip.: 0%
Places in USA:
Name
°F
+30°F
+75°F
+75°F
+41°F
+52°F
+70°F
+77°F
+70°F
+21°F
+54°F
+46°F
+61°F
+61°F
+46°F
+5°F
24 Hours Forecast
Folly Beach
Local time: 02:13
December 05, friday
0300
54°F
NW
3 mph
0600
54°F
SW
4 mph
0900
54°F
SW
7 mph
1200
52°F
SW
4 mph
1500
50°F
S
7 mph
1800
48°F
SE
6 mph
2100
48°F
SE
2 mph
December 06, saturday
0000
46°F
SE
4 mph
Units of measurement: °C / °F