World Resorts Cayman Islands Grand Cayman Weather

Grand Cayman Sea Temperature in September

Average sea water temperature in September:
+86.0°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:
2024
2023
2022

The average sea water temperature in September of 2024 was 86.9°F. The highest and lowest sea temperatures during the month were 87.6°F and 86.0°F.

Monthly sea water temperature in Grand Cayman, °F

Which Cayman Islands resorts have warmest sea in September?

Place name September 2024 September 2023
Little Cayman 87.4°F 87.6°F
Cayman Brac 87.3°F 87.6°F
Grand Cayman 86.9°F 87.0°F
George Town 86.9°F 87.0°F

Best time for vacation in Grand Cayman

Sunniest months:
July 11 days
September 10 days
March 10 days
Warmest months:
August 87.1 °F
July 87.1 °F
September 86.9 °F
Warmest sea temp:
September 86.0 °F
August 85.8 °F
October 85.5 °F
Coldest months:
January 80.2 °F
February 80.4 °F
March 80.8 °F
Rainiest months:
October 8 days
November 6 days
August 5 days
Windiest months:
December 16.7 mph
November 16.0 mph
January 15.6 mph

Grand Cayman on a weather map

Current weather
10:14
Grand Cayman
+81°F
NW 4 mph
Feels like: +86°F
Precip.: 0%
Places in Cayman Islands:
Name
°F
Grand Cayman
+81°F
George Town
+81°F
Cayman Brac
+79°F
Little Cayman
+79°F
24 Hours Forecast
Grand Cayman
Local time: 10:14
November 21, thursday
1200
82°F
W
2 mph
1500
82°F
SE
2 mph
1800
81°F
SE
8 mph
2100
81°F
SW
14 mph
November 22, friday
0000
81°F
S
15 mph
0300
79°F
S
21 mph
0600
79°F
S
21 mph
0900
77°F
S
22 mph
Units of measurement: °C / °F