Average sea water temperature in September:
+86.1°F
| Minimum sea water temperature in September: | 87.8°F |
| Maximum sea water temperature in September: | 83.8°F |
Daily sea water temperature in September, °F
Show year:
2025
2024
2023
The average sea water temperature in September of 2025 was 87.4°F. The highest and lowest sea temperatures during the month were 87.8°F and 86.9°F.
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| George Town |
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| George Town |
Monthly sea water temperature in George Town, °F
Which Cayman Islands resorts have warmest sea in September?
| Place name | September 2025 | September 2024 |
|---|---|---|
| Cayman Brac | 87.6°F | 87.3°F |
| Little Cayman | 87.5°F | 87.4°F |
| Grand Cayman | 87.4°F | 86.9°F |
| George Town | 87.4°F | 86.9°F |
Best time for vacation in George Town
George Town on a weather map
Places in Cayman Islands:
Name
°F
24 Hours Forecast
George Town
Local time: 15:23
December 19, friday
1800

81°F
SW
12 mph
12 mph
2100

79°F
SW
13 mph
13 mph
December 20, saturday
0000

79°F
SW
12 mph
12 mph
0300

77°F
SW
12 mph
12 mph
0600

77°F
SW
15 mph
15 mph
0900

79°F
SW
16 mph
16 mph
1200

79°F
SW
16 mph
16 mph
1500

77°F
SW
16 mph
16 mph

























