World Resorts USA St. George Island Weather

St. George Island Sea Temperature in September

Average sea water temperature in September:
+83.8°F
Minimum sea water temperature in September: 87.1°F
Maximum sea water temperature in September: 79.2°F

Daily sea water temperature in September, °F

Show year:
2025
2024
2023

The average sea water temperature in September of 2025 was 83.5°F. The highest and lowest sea temperatures during the month were 85.1°F and 81.7°F.

Monthly sea water temperature in St. George Island, °F

Which USA resorts have warmest sea in September?

Place name September 2025 September 2024
Key West 86.9°F 87.4°F
Fort Lauderdale 86.4°F 86.4°F
West Palm Beach 86.2°F 86.4°F
Miami Beach 86.1°F 86.3°F
Naples 86.1°F 87.2°F
Miami 85.8°F 86.0°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
Clearwater Beach 84.0°F 86.2°F
Pensacola Beach 83.9°F 84.5°F
St. George Island 83.5°F 84.0°F
Panama City Beach 83.4°F 84.8°F
Santa Rosa Beach 83.4°F 84.8°F
Fort Walton Beach 83.3°F 84.5°F
Destin 83.1°F 84.5°F
Orlando 82.8°F 83.6°F

Best time for vacation in St. George Island

Sunniest months:
October 20 days
March 16 days
April 16 days
Warmest months:
July 87.1 °F
August 86.6 °F
June 85.0 °F
Warmest sea temp:
August 86.5 °F
July 85.6 °F
September 83.8 °F
Coldest months:
January 58.9 °F
December 62.5 °F
February 63.0 °F
Rainiest months:
August 5 days
July 4 days
September 3 days
Windiest months:
January 9.4 mph
November 8.9 mph
March 8.9 mph

St. George Island on a weather map

St. George Island
+81°F
E 8 mph
Feels like: +88°F
Precip.: 10%
Places in USA:
Name
°F
+72°F
+79°F
+79°F
+90°F
+70°F
+77°F
+75°F
+79°F
+73°F
+72°F
+55°F
+68°F
+81°F
+81°F
+72°F
24 Hours Forecast
St. George Island
Local time: 00:32
August 13, thursday
0300
79°F
E
7 mph
0600
79°F
E
7 mph
0900
84°F
E
9 mph
1200
93°F
E
9 mph
1500
90°F
NE
12 mph
1800
90°F
NE
11 mph
2100
84°F
E
7 mph
August 14, friday
0000
82°F
E
7 mph
Units of measurement: °C / °F