Average sea water temperature in September:
+68.8°F
| Minimum sea water temperature in September: | 72.7°F |
| Maximum sea water temperature in September: | 62.8°F |
Daily sea water temperature in September, °F
Show year:
2023
2022
2021
The average sea water temperature in September of 2023 was 68.0°F. The highest and lowest sea temperatures during the month were 71.8°F and 62.8°F.
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| Block Island |
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Monthly sea water temperature in Block Island, °F
Which USA resorts have warmest sea in September?
| Place name | September 2023 | September 2022 |
|---|---|---|
| Key West | 87.3°F | 87.3°F |
| Corpus Christi | 87.1°F | 85.4°F |
| Naples | 86.8°F | 87.3°F |
| Marco Island | 86.7°F | 87.2°F |
| Galveston Island | 86.6°F | 85.2°F |
| Galveston | 86.5°F | 85.1°F |
| Miami Beach | 86.3°F | 86.7°F |
| South Padre Island | 86.3°F | 84.9°F |
| Fort Lauderdale | 86.2°F | 86.4°F |
| West Palm Beach | 86.2°F | 86.3°F |
| Houston | 86.1°F | 84.5°F |
| Cape Coral | 86.0°F | 86.1°F |
| Miami | 86.0°F | 86.5°F |
| Siesta Key | 85.8°F | 86.3°F |
| Sarasota | 85.8°F | 86.1°F |
| Gulf Shores | 85.5°F | 84.9°F |
| Tampa | 85.5°F | 85.4°F |
| Clearwater Beach | 85.5°F | 85.3°F |
| St. Petersburg | 85.3°F | 85.6°F |
| Santa Rosa Beach | 85.3°F | 84.5°F |
Best time for vacation in Block Island
Block Island on a weather map
Places in USA:
Name
°F
24 Hours Forecast
Block Island
Local time: 10:18
May 15, wednesday
1200
55°F
NW
7 mph
7 mph
1500
55°F
NW
9 mph
9 mph
1800
55°F
W
14 mph
14 mph
2100
55°F
W
18 mph
18 mph
May 16, thursday
0000
55°F
W
21 mph
21 mph
0300
55°F
SW
25 mph
25 mph
0600
55°F
SW
27 mph
27 mph
0900
55°F
SW
25 mph
25 mph
