World Resorts Cayman Islands George Town Weather

George Town Sea Temperature in September

Average sea water temperature in September:
+86.1°F
Minimum sea water temperature in September: 88.3°F
Maximum sea water temperature in September: 83.8°F

Daily sea water temperature in September, °F

Show year:
2026
2025
2024

The average sea water temperature in September of 2026 was 87.8°F. The highest and lowest sea temperatures during the month were 88.3°F and 87.3°F.

Monthly sea water temperature in George Town, °F

Which Cayman Islands resorts have warmest sea in September?

Place name September 2026 September 2025
Grand Cayman 87.8°F 87.4°F
George Town 87.8°F 87.4°F
Little Cayman 87.6°F 87.5°F
Cayman Brac 87.5°F 87.6°F

Best time for vacation in George Town

Sunniest months:
July 11 days
March 10 days
September 10 days
Warmest months:
August 87.0 °F
September 86.9 °F
July 86.8 °F
Warmest sea temp:
September 86.1 °F
August 85.9 °F
October 85.5 °F
Coldest months:
January 80.1 °F
February 80.3 °F
March 80.9 °F
Rainiest months:
October 8 days
May 5 days
November 5 days
Windiest months:
December 16.7 mph
November 16.1 mph
January 15.7 mph

George Town on a weather map

Current weather
08:56
George Town
+86°F
W 9 mph
Feels like: +93°F
Precip.: 5%
Places in Cayman Islands:
Name
°F
Grand Cayman
+86°F
George Town
+86°F
Cayman Brac
+84°F
Little Cayman
+84°F
24 Hours Forecast
George Town
Local time: 08:56
September 17, thursday
0900
86°F
W
9 mph
1200
86°F
W
9 mph
1500
86°F
W
7 mph
1800
86°F
SW
7 mph
2100
86°F
W
9 mph
September 18, friday
0000
84°F
SW
7 mph
0300
84°F
SW
7 mph
0600
84°F
SW
7 mph
Units of measurement: °C / °F