In September warmest sea in Gulf of Mexico is usually observed in the following locations: Marco Island, Sanibel Island, Naples.
Table below shows the average sea water temperature for marine resorts of Gulf of Mexico in September for the last three years.
| Place name | September 2026 | September 2025 | September 2024 |
|---|---|---|---|
| Marco Island | 87.8°F | 86.0°F | 87.2°F |
| Sanibel Island | 87.8°F | 85.7°F | 87.0°F |
| Naples | 87.6°F | 86.1°F | 87.2°F |
| Siesta Key | 87.5°F | 84.9°F | 86.8°F |
| Sarasota | 87.5°F | 84.8°F | 86.7°F |
| Houston | 87.2°F | 84.9°F | 83.4°F |
| Cape Coral | 87.2°F | 85.2°F | 86.5°F |
| Corpus Christi | 87.1°F | 85.8°F | 84.7°F |
| Galveston | 87.1°F | 85.5°F | 83.7°F |
| Galveston Island | 87.1°F | 85.5°F | 84.4°F |
| Avery Island | 86.9°F | 84.6°F | 84.1°F |
| Grand Isle | 86.9°F | 85.2°F | 84.4°F |
| Gulfport | 86.9°F | 84.1°F | 83.3°F |
| Tampa | 86.9°F | 84.3°F | 86.0°F |
| St. Petersburg | 86.9°F | 84.1°F | 86.1°F |
| Long Beach | 86.8°F | 84.0°F | 83.2°F |
| Clearwater Beach | 86.8°F | 84.0°F | 86.2°F |
| New Orleans | 86.7°F | 84.3°F | 82.9°F |
| Everglades | 86.6°F | 86.2°F | 87.0°F |
| Mobile | 86.6°F | 84.0°F | 83.5°F |
| Pass Christian | 86.6°F | 84.1°F | 83.2°F |
| Ocean Springs | 86.5°F | 84.0°F | 83.2°F |
| Biloxi | 86.5°F | 84.0°F | 83.3°F |
| Dauphin Island | 86.5°F | 84.2°F | 83.8°F |
| Gulf Shores | 86.4°F | 84.3°F | 84.3°F |
| Port Aransas | 86.4°F | 85.7°F | 84.6°F |
| Bay Saint Louis | 86.4°F | 84.0°F | 83.1°F |
| Mustang Island | 86.3°F | 86.0°F | 84.6°F |
| Pensacola Beach | 86.3°F | 83.9°F | 84.5°F |
| Orange Beach | 86.3°F | 84.0°F | 84.1°F |
| Panama City Beach | 86.2°F | 83.4°F | 84.8°F |
| Pensacola | 86.2°F | 83.9°F | 84.2°F |
| Fort Walton Beach | 86.2°F | 83.3°F | 84.5°F |
| Destin | 86.1°F | 83.1°F | 84.5°F |
| Miramar Beach | 86.1°F | 83.2°F | 84.6°F |
| Santa Rosa Beach | 86.0°F | 83.4°F | 84.8°F |
| St. George Island | 85.6°F | 83.5°F | 84.0°F |
| South Padre Island | 84.2°F | 86.0°F | 85.8°F |
| Amelia Island | 83.7°F | 81.0°F | 81.8°F |
| Jacksonville | 83.4°F | 81.1°F | 82.0°F |
| St. Augustine | 83.2°F | 81.8°F | 82.7°F |
| Orlando | 82.8°F | 82.8°F | 83.6°F |
| Daytona Beach | 82.6°F | 82.7°F | 83.2°F |
| Kissimmee | 32.0°F | 32.0°F | 32.0°F |
Charts below show average sea water temperature for Gulf of Mexico resorts with the warmest sea in September.
You can also check other months of the year to see sea temperature of Gulf of Mexico resorts at that time.
Popular places:
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