Cayman Brac Weather: September
 |
Average Day Temperature: | 90.8°F |
|
Average Night Temperature: | 87.5°F |
|
Sea Water Temperature: | 90.4°F |
|
Number of Sunny Days: | 11 days |
| Sunshine Hours: | 12.0 - 12.5 hours | |
|
Number of Rainy Days: | 4 days |
| Precipitation Totals: | 2.4 in | |
| detailed information | ||
forecast
| Cayman Brac |
Temperature
| Cayman Brac |
Air Temperature in September, °F
The highest day temperature in September 2025 was 92°F. The lowest night temperature was 88°F. The average values for day and night temperatures during September were 90.7°F и 88.4°F respectivly.
Cayman Brac Water Sea Temperature in September, °F
The average sea surface temperature in September 2025 for Cayman Brac was 91.8°F. The maximum and minimum values were 91.2°F and 92.4°F respectively.
Most of the days in September are cloudy but you can also expect sunny or gloomy days.
Precipitation Totals in September, in
Precipitation total in September for Cayman Brac is 2.4 in.
The average wind speed in September is 10.3 mph. It makes September the most windless month of the year for Cayman Brac.
We are using day length and cloud cover information for each day of the month to calculate averages for this chart. Average sunny hours for Cayman Brac in September is 7.5 hours.
Cayman Brac on the Weather Map
| 0600 |  |
84°F | SW 20 mph |
| 0900 |  |
84°F | W 19 mph |
| 1200 | |
88°F | W 16 mph |
| 1500 | |
88°F | W 14 mph |
| 1800 |  |
86°F | W 13 mph |
| 2100 | |
86°F | W 12 mph |
| 0000 | |
86°F | W 12 mph |
| 0300 |  |
84°F | W 11 mph |