Average sea water temperature in September:
+86.0°F
| Minimum sea water temperature in September: | 89.6°F |
| Maximum sea water temperature in September: | 82.8°F |
Daily sea water temperature in September, °F
Show year:
2024
2023
2022
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79
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94
The average sea water temperature in September of 2024 was 87.4°F. The highest and lowest sea temperatures during the month were 89.6°F and 83.8°F.
sea water
temperature
temperature
| Key West |
monthly
weather
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| Key West |
current
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| Key West |
14 days
forecast
forecast
| Key West |
Monthly sea water temperature in Key West, °F
jan
feb
mar
apr
may
jun
jul
aug
sep
oct
nov
dec
0
14
28
42
56
70
84
98
112
75.7
78.8
83.1
86
87
86.5
84.6
81.9
78.8
75.8
73.7
73.2
Which USA resorts have warmest sea in September?
| Place name | September 2024 | September 2023 |
|---|---|---|
| Key West | 87.4°F | 87.3°F |
| Naples | 87.2°F | 86.8°F |
| Marco Island | 87.2°F | 86.7°F |
| Everglades | 87.0°F | 86.8°F |
| Siesta Key | 86.8°F | 85.8°F |
| Sarasota | 86.7°F | 85.8°F |
| Cape Coral | 86.5°F | 86.0°F |
| Fort Lauderdale | 86.4°F | 86.2°F |
| West Palm Beach | 86.4°F | 86.2°F |
| Miami Beach | 86.3°F | 86.3°F |
| Clearwater Beach | 86.2°F | 85.5°F |
| Miami | 86.0°F | 86.0°F |
| Tampa | 86.0°F | 85.5°F |
| South Padre Island | 85.8°F | 86.3°F |
| Cocoa Beach | 85.2°F | 84.4°F |
| Panama City Beach | 84.8°F | 85.1°F |
| Santa Rosa Beach | 84.8°F | 85.3°F |
| Corpus Christi | 84.7°F | 87.1°F |
| Miramar Beach | 84.6°F | 85.2°F |
| Mustang Island | 84.6°F | 86.9°F |
Best time for vacation in Key West
Key West on a weather map
Leaflet | Tiles © Esri
Places in USA:
Name
°F
24 Hours Forecast
Key West
Local time: 17:18
March 29, saturday
1800
77°F
W
22 mph
22 mph
2100
77°F
W
23 mph
23 mph
March 30, sunday
0000
77°F
W
22 mph
22 mph
0300
77°F
NW
21 mph
21 mph
0600
75°F
NW
17 mph
17 mph
0900
75°F
NW
17 mph
17 mph
1200
77°F
NW
13 mph
13 mph
1500
79°F
NW
11 mph
11 mph
