World Resorts USA Mustang Island Weather

Mustang Island Sea Temperature in September

Average sea water temperature in September:
+85.5°F
Minimum sea water temperature in September: 88.0°F
Maximum sea water temperature in September: 80.1°F

Daily sea water temperature in September, °F

Show year:
2026
2025
2024

The average sea water temperature in September of 2026 was 86.4°F. The highest and lowest sea temperatures during the month were 87.3°F and 85.6°F.

Monthly sea water temperature in Mustang Island, °F

Which USA resorts have warmest sea in September?

Place name September 2026 September 2025
Key West 87.8°F 86.9°F
Naples 87.0°F 86.1°F
Galveston 87.0°F 85.5°F
Siesta Key 86.9°F 84.9°F
Houston 86.9°F 84.9°F
Corpus Christi 86.8°F 85.8°F
Sarasota 86.8°F 84.8°F
West Palm Beach 86.6°F 86.2°F
Fort Lauderdale 86.6°F 86.4°F
New Orleans 86.4°F 84.3°F
Gulf Shores 86.1°F 84.3°F
St. Petersburg 86.1°F 84.1°F
Orange Beach 86.0°F 84.0°F
Pensacola Beach 85.9°F 83.9°F
Tampa 85.9°F 84.3°F
Clearwater Beach 85.9°F 84.0°F
Miami Beach 85.8°F 86.1°F
Panama City Beach 85.8°F 83.4°F
Fort Walton Beach 85.7°F 83.3°F
Pensacola 85.7°F 83.9°F

Best time for vacation in Mustang Island

Sunniest months:
August 17 days
July 16 days
October 15 days
Warmest months:
August 89.4 °F
July 88.4 °F
June 87.1 °F
Warmest sea temp:
August 86.2 °F
September 85.5 °F
July 84.9 °F
Coldest months:
January 62.3 °F
February 63.5 °F
December 66.9 °F
Rainiest months:
July 3 days
September 2 days
May 2 days
Windiest months:
April 14.2 mph
May 13.6 mph
June 13.5 mph

Mustang Island on a weather map

Mustang Island
+73°F
W 9 mph
Feels like: +77°F
Precip.: 4%
Places in USA:
Name
°F
+72°F
+75°F
+77°F
+68°F
+73°F
+82°F
+70°F
+68°F
+70°F
+61°F
+73°F
+84°F
+82°F
+77°F
+59°F
24 Hours Forecast
Mustang Island
Local time: 13:39
November 04, wednesday
1500
73°F
W
9 mph
1800
73°F
W
11 mph
2100
75°F
W
10 mph
November 05, thursday
0000
75°F
NW
9 mph
0300
75°F
NW
9 mph
0600
75°F
W
9 mph
0900
77°F
W
12 mph
1200
77°F
W
13 mph
Units of measurement: °C / °F