World Resorts Cayman Islands Cayman Brac Weather

Cayman Brac 14 Days Forecast

04.09
fri
Day
86°F
W 8 mph
Precip.
11%
Night
86°F
SW 6 mph
Precip.
6%
05.09
sat
Day
86°F
W 9 mph
Precip.
7%
Night
84°F
W 6 mph
Precip.
19%
06.09
sun
Day
86°F
NW 8 mph
Precip.
6%
Night
84°F
W 7 mph
Precip.
9%
07.09
mon
Day
86°F
W 9 mph
Precip.
17%
Night
86°F
W 15 mph
Precip.
24%
08.09
tue
Day
86°F
W 11 mph
Precip.
8%
Night
86°F
SW 11 mph
Precip.
17%
09.09
wed
Day
86°F
SW 12 mph
Precip.
21%
Night
86°F
W 12 mph
Precip.
60%
10.09
thu
Day
86°F
W 11 mph
Precip.
56%
Night
84°F
W 8 mph
Precip.
20%
11.09
fri
Day
86°F
W 6 mph
Precip.
5%
Night
84°F
SW 6 mph
Precip.
12%
12.09
sat
Day
86°F
W 7 mph
Precip.
7%
Night
86°F
NW 9 mph
Precip.
8%
13.09
sun
Day
86°F
W 13 mph
Precip.
18%
Night
86°F
W 15 mph
Precip.
17%
14.09
mon
Day
86°F
W 16 mph
Precip.
19%
Night
84°F
W 14 mph
Precip.
36%
15.09
tue
Day
84°F
W 15 mph
Precip.
21%
Night
84°F
W 13 mph
Precip.
50%
16.09
wed
Day
86°F
W 16 mph
Precip.
48%
Night
84°F
W 14 mph
Precip.
75%
17.09
thu
Day
84°F
NW 19 mph
Precip.
58%
Night
86°F
NW 13 mph
Precip.
20%

Sea water temperature in September, °F

Show year:
2025
2024
2023

The average sea water temperature in September of 2025 was 87.6°F. The highest and lowest sea temperatures during the month were 88.2°F and 87.1°F.

Air temperature in Cayman Brac, °F

Precipitation total in Cayman Brac, in.

* Charts above show average data for the last 3 years.

Best time for vacation in Cayman Brac

Sunniest months:
March 12 days
July 12 days
February 11 days
Warmest months:
August 86.9 °F
September 86.7 °F
July 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

Cayman Brac on a weather map

Cayman Brac
+86°F
SW 6 mph
Feels like: +93°F
Precip.: 6%
Places in Cayman Islands:
Name
°F
+84°F
+84°F
+86°F
+86°F
24 Hours Forecast
Cayman Brac
Local time: 23:40
September 05, saturday
0000
86°F
SW
6 mph
0300
84°F
W
6 mph
0600
84°F
W
6 mph
0900
84°F
W
7 mph
1200
86°F
W
9 mph
1500
86°F
W
7 mph
1800
86°F
SW
6 mph
2100
86°F
W
5 mph
Units of measurement: °C / °F