Measurements:
°C
°F
CURRENT WEATHER
17:03
Little Cayman
88°F
NW 6 mph
Feels like: 98°F
Precip: 15%
World Resorts Cayman Islands Little Cayman Weather

7 Day Weather Forecast

09.28
mon
DAY
88°F
W 13 mph
precip
19%
NIGHT
88°F
W 9 mph
precip
18%
09.29
tue
DAY
88°F
W 12 mph
precip
19%
NIGHT
88°F
W 9 mph
precip
49%
09.30
wed
DAY
86°F
SW 15 mph
precip
19%
NIGHT
88°F
W 13 mph
precip
19%
10.01
thu
DAY
88°F
NW 14 mph
precip
10%
NIGHT
88°F
NW 11 mph
precip
14%
10.02
fri
DAY
88°F
NW 19 mph
precip
19%
NIGHT
88°F
W 14 mph
precip
7%
10.03
sat
DAY
88°F
W 14 mph
precip
20%
NIGHT
88°F
W 11 mph
precip
12%
10.04
sun
DAY
88°F
W 11 mph
precip
8%
NIGHT
88°F
W 11 mph
precip
14%

Little Cayman Sea Water Temperature in September, °F

Select Year: 2026 2025 2024

The average sea surface temperature in September 2026 for Little Cayman was 30.6°F. The maximum and minimum values were 30.0°F and 31.3°F respectively.

Little Cayman on the Weather Map

Best Time to Visit Little Cayman
The most sunny months:
March 12 days
July 12 days
February 11 days
The most warm months:
August 91.0 °F
July 90.7 °F
September 90.6 °F
Warmest sea temperature:
September 90.4 °F
August 90.3 °F
October 89.6 °F
The most cold months:
January 83.0 °F
February 83.2 °F
March 83.9 °F
The most rainy months:
October 7 days
May 5 days
August 5 days
The most windy months:
December 16 mph
November 16 mph
January 15 mph
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