Average sea water temperature in September:
+86.5°F
| Minimum sea water temperature in September: | 88.9°F |
| Maximum sea water temperature in September: | 84.2°F |
Daily sea water temperature in September, °F
Show year:
2025
2024
2023
The average sea water temperature in September of 2025 was 86.0°F. The highest and lowest sea temperatures during the month were 88.7°F and 84.2°F.
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| Marco Island |
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| Marco Island |
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| Marco Island |
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| Marco Island |
Monthly sea water temperature in Marco 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 |
| Miami Beach | 86.1°F | 86.3°F |
| Naples | 86.1°F | 87.2°F |
| Corpus Christi | 85.8°F | 84.7°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 |
| St. Petersburg | 84.1°F | 86.1°F |
| Clearwater Beach | 84.0°F | 86.2°F |
| Panama City Beach | 83.4°F | 84.8°F |
| Destin | 83.1°F | 84.5°F |
| Orlando | 82.8°F | 83.6°F |
| Daytona Beach | 82.7°F | 83.2°F |
| Kauai | 81.5°F | 79.4°F |
| Jacksonville | 81.1°F | 82.0°F |
Best time for vacation in Marco Island
Marco Island on a weather map
Places in USA:
Name
°F
24 Hours Forecast
Marco Island
Local time: 19:33
June 29, monday
2100
84°F
SE
6 mph
6 mph
June 30, tuesday
0000
82°F
SE
4 mph
4 mph
0300
79°F
N
2 mph
2 mph
0600
77°F
NE
5 mph
5 mph
0900
84°F
NE
4 mph
4 mph
1200
86°F
NE
5 mph
5 mph
1500
88°F
E
9 mph
9 mph
1800
86°F
E
11 mph
11 mph
