Current sea water temperature:
+86.5°F
| Minimum sea water temperature in September: | 88.3°F |
| Maximum sea water temperature in September: | 84.0°F |
| Average sea water temperature in September: | 86.4°F |
| more information | |
14 days
forecast
forecast
| Little Cayman |
monthly
weather
weather
| Little Cayman |
Sea water temperature for the last 10 days:
| September 17 | 86.5°F | September 12 | 87.8°F |
| September 16 | 87.1°F | September 11 | 88.2°F |
| September 15 | 87.6°F | September 10 | 87.6°F |
| September 14 | 87.8°F | September 9 | 87.6°F |
| September 13 | 88.0°F | September 8 | 87.4°F |
Monthly sea water temperature, °F
When is the warmest sea in Little Cayman?
Based on the data about daily sea water temperature for the last three years the warmest sea in Little Cayman was noticed in September, August and October.
Monthly Sea Temperatures in Little Cayman, °F
Sea water temperature in September, °F
Show year:
2026
2025
2024
The average sea water temperature in September of 2026 was 87.6°F. The highest and lowest sea temperatures during the month were 88.3°F and 86.5°F.
Sea water temperature in August, °F
Show year:
2026
2025
2024
The average sea water temperature in August of 2026 was 87.1°F. The highest and lowest sea temperatures during the month were 87.8°F and 86.4°F.
Sea water temperature in October, °F
Show year:
2025
2024
2023
The average sea water temperature in October of 2025 was 86.7°F. The highest and lowest sea temperatures during the month were 87.8°F and 85.6°F.
current
weather
weather
| Little Cayman |
weather in
September
September
| Little Cayman |
Best time for vacation in Little Cayman
Little Cayman on a weather map
Places in Cayman Islands:
Name
°F
24 Hours Forecast
Little Cayman
Local time: 08:15
September 17, thursday
0900
84°F
W
9 mph
9 mph
1200
84°F
W
7 mph
7 mph
1500
84°F
W
6 mph
6 mph
1800
84°F
SW
6 mph
6 mph
2100
84°F
W
6 mph
6 mph
September 18, friday
0000
84°F
SW
6 mph
6 mph
0300
84°F
SW
8 mph
8 mph
0600
84°F
SW
6 mph
6 mph
