World Resorts Cayman Islands Little Cayman Weather

Little Cayman Sea Temperature in September

Average sea water temperature in September:
+86.4°F
Minimum sea water temperature in September: 88.3°F
Maximum sea water temperature in September: 84.0°F

Daily sea water temperature in September, °F

Show year:
2026
2025
2024

The average sea water temperature in September of 2026 was 87.0°F. The highest and lowest sea temperatures during the month were 88.3°F and 85.6°F.

Monthly sea water temperature in Little Cayman, °F

Which Cayman Islands resorts have warmest sea in September?

Place name September 2026 September 2025
Grand Cayman 87.4°F 87.4°F
George Town 87.4°F 87.4°F
Little Cayman 87.0°F 87.5°F
Cayman Brac 86.9°F 87.6°F

Best time for vacation in Little Cayman

Sunniest months:
March 12 days
July 12 days
February 11 days
Warmest months:
August 86.9 °F
July 86.6 °F
September 86.6 °F
Warmest sea temp:
September 86.4 °F
August 86.3 °F
October 85.7 °F
Coldest months:
January 79.7 °F
February 79.8 °F
March 80.5 °F
Rainiest months:
October 7 days
May 5 days
August 5 days
Windiest months:
December 16.6 mph
November 16.1 mph
January 15.5 mph

Little Cayman on a weather map

Current weather
09:07
Little Cayman
+82°F
NW 15 mph
Feels like: +90°F
Precip.: 81%
Places in Cayman Islands:
Name
°F
Grand Cayman
+81°F
George Town
+81°F
Cayman Brac
+82°F
Little Cayman
+82°F
24 Hours Forecast
Little Cayman
Local time: 09:07
November 03, tuesday
1200
79°F
N
7 mph
1500
79°F
W
6 mph
1800
81°F
W
13 mph
2100
81°F
W
17 mph
November 04, wednesday
0000
81°F
W
16 mph
0300
81°F
W
12 mph
0600
81°F
SW
12 mph
0900
81°F
W
14 mph
Units of measurement: °C / °F