In September warmest sea in USA is usually observed in the following locations: Key West, Naples, Marco Island.
Table below shows the average sea water temperature for marine resorts of USA in September for the last three years.
| Place name | September 2024 | September 2023 | September 2022 |
|---|---|---|---|
| Key West | 87.4°F | 87.3°F | 87.3°F |
| Naples | 87.2°F | 86.8°F | 87.3°F |
| Marco Island | 87.2°F | 86.7°F | 87.2°F |
| Siesta Key | 86.8°F | 85.8°F | 86.3°F |
| Sarasota | 86.7°F | 85.8°F | 86.1°F |
| Cape Coral | 86.5°F | 86.0°F | 86.1°F |
| Fort Lauderdale | 86.4°F | 86.2°F | 86.4°F |
| West Palm Beach | 86.4°F | 86.2°F | 86.3°F |
| Miami Beach | 86.3°F | 86.3°F | 86.7°F |
| Clearwater Beach | 86.2°F | 85.5°F | 85.3°F |
| St. Petersburg | 86.1°F | 85.3°F | 85.6°F |
| Miami | 86.0°F | 86.0°F | 86.5°F |
| Tampa | 86.0°F | 85.5°F | 85.4°F |
| South Padre Island | 85.8°F | 86.3°F | 84.9°F |
| Cocoa Beach | 85.2°F | 84.4°F | 85.4°F |
| Port St. Lucie | 84.9°F | 84.6°F | 84.8°F |
| Panama City Beach | 84.8°F | 85.1°F | 84.8°F |
| Santa Rosa Beach | 84.8°F | 85.3°F | 84.5°F |
| Corpus Christi | 84.7°F | 87.1°F | 85.4°F |
| Miramar Beach | 84.6°F | 85.2°F | 84.5°F |
| Mustang Island | 84.6°F | 86.9°F | 85.5°F |
| Destin | 84.5°F | 85.0°F | 84.4°F |
| Pensacola Beach | 84.5°F | 85.0°F | 84.8°F |
| Galveston Island | 84.4°F | 86.6°F | 85.2°F |
| Pensacola | 84.2°F | 84.4°F | 84.5°F |
| Orange Beach | 84.1°F | 85.4°F | 84.8°F |
| St. George Island | 84.0°F | 84.6°F | 84.4°F |
| Galveston | 83.7°F | 86.5°F | 85.1°F |
| Orlando | 83.6°F | 83.4°F | 84.0°F |
| Houston | 83.4°F | 86.1°F | 84.5°F |
| Daytona Beach | 83.2°F | 83.5°F | 83.7°F |
| New Orleans | 82.9°F | 85.1°F | 84.1°F |
| St. Augustine | 82.7°F | 83.4°F | 83.4°F |
| Jacksonville | 82.0°F | 82.8°F | 83.1°F |
| Jekyll Island | 81.9°F | 82.0°F | 82.8°F |
| Amelia Island | 81.8°F | 82.4°F | 82.9°F |
| Kailua Kona | 81.0°F | 80.5°F | 81.0°F |
| Honolulu | 81.0°F | 80.2°F | 81.2°F |
| Hawaii | 80.8°F | 80.0°F | 81.1°F |
| Hilton Head Island | 80.2°F | 82.3°F | 82.4°F |
| Oahu | 80.0°F | 79.6°F | 80.9°F |
| Maui | 79.7°F | 79.4°F | 80.1°F |
| Myrtle Beach | 79.5°F | 80.6°F | 81.5°F |
| Kauai | 79.4°F | 80.4°F | 81.2°F |
| Charleston (SC) | 78.9°F | 82.2°F | 81.5°F |
| Wilmington (NC) | 78.3°F | 80.1°F | 80.9°F |
| Norfolk | 76.6°F | 78.7°F | 78.4°F |
| Washington | 75.2°F | 77.2°F | 77.7°F |
| Outer Banks | 75.0°F | 77.6°F | 78.6°F |
| Baltimore | 74.4°F | 76.0°F | 76.3°F |
| Virginia Beach | 73.9°F | 76.4°F | 76.9°F |
| Chicago | 71.6°F | 69.6°F | 70.1°F |
| Ocean City (MD) | 71.6°F | 74.4°F | 74.9°F |
| Bethany Beach | 71.6°F | 73.6°F | 74.1°F |
| Rehoboth Beach | 71.5°F | 74.0°F | 74.1°F |
| Atlantic City | 71.3°F | 73.1°F | 73.8°F |
| Wildwood Crest | 71.3°F | 73.8°F | 74.0°F |
| Long Beach Island | 71.1°F | 72.9°F | 73.8°F |
| Milwaukee | 71.0°F | 67.4°F | 67.1°F |
| Michigan City | 70.7°F | 70.5°F | 70.4°F |
| New York | 70.6°F | 72.2°F | 72.9°F |
| Jersey City | 70.6°F | 72.2°F | 72.9°F |
| Erie | 70.6°F | 71.2°F | 71.8°F |
| Buffalo (NY) | 69.8°F | 69.7°F | 71.1°F |
| San Diego | 69.2°F | 67.5°F | 70.5°F |
| Santa Catalina Island | 69.2°F | 69.6°F | 73.2°F |
| Falmouth | 68.9°F | 70.6°F | 71.4°F |
| Holland | 68.8°F | 67.1°F | 69.2°F |
| Los Angeles | 68.8°F | 68.9°F | 71.9°F |
| Beverly Hills | 68.7°F | 68.4°F | 71.7°F |
| Hollywood | 68.7°F | 68.4°F | 71.7°F |
| Santa Monica | 68.6°F | 68.4°F | 71.6°F |
| Laguna Beach | 68.6°F | 68.1°F | 71.5°F |
| San Jose | 68.5°F | 68.6°F | 68.6°F |
| Irvine | 68.3°F | 67.9°F | 71.5°F |
| Niagara Falls | 68.2°F | 68.5°F | 70.0°F |
| Newport Beach | 68.2°F | 68.0°F | 71.7°F |
| Montauk | 67.4°F | 68.7°F | 69.9°F |
| Anaheim | 67.2°F | 67.2°F | 70.5°F |
| Malibu | 66.8°F | 67.9°F | 70.3°F |
| Nantucket | 66.3°F | 68.3°F | 70.0°F |
| Martha's Vineyard | 66.0°F | 69.5°F | 70.3°F |
| Long Beach (CA) | 65.9°F | 66.3°F | 69.2°F |
| Yosemite | 65.6°F | 65.6°F | 65.6°F |
| Santa Barbara | 65.4°F | 66.6°F | 67.9°F |
| Oakland | 65.3°F | 66.7°F | 67.3°F |
| Boston | 64.4°F | 65.7°F | 65.5°F |
| South Lake Tahoe | 64.3°F | 64.9°F | 66.9°F |
| Lake Tahoe | 64.2°F | 64.9°F | 66.9°F |
| San Francisco | 63.0°F | 64.7°F | 64.7°F |
| Astoria | 62.9°F | 65.4°F | 62.8°F |
| Hampton Beach | 62.3°F | 64.6°F | 62.5°F |
| Portsmouth | 61.2°F | 63.6°F | 61.5°F |
| Santa Cruz | 58.9°F | 61.1°F | 61.0°F |
| Monterey | 57.3°F | 60.6°F | 59.9°F |
| Seaside | 56.6°F | 57.4°F | 54.1°F |
| Florence | 54.4°F | 53.5°F | 52.4°F |
| Sitka | 53.4°F | 54.7°F | 55.0°F |
| Anchorage | 52.6°F | 52.2°F | 52.2°F |
| Juneau | 50.8°F | 52.2°F | 52.0°F |
Charts below show average sea water temperature for USA resorts with the warmest sea in September.
You can also check other months of the year to see sea temperature of USA resorts at that time.
Places in USA:
Name
°F
