Grand Cayman Weather: September
 |
Average Day Temperature: | 91.0°F |
|
Average Night Temperature: | 87.3°F |
|
Sea Water Temperature: | 90.0°F |
|
Number of Sunny Days: | 10 days |
| Sunshine Hours: | 12.0 - 12.5 hours | |
|
Number of Rainy Days: | 4 days |
| Precipitation Totals: | 2.3 in | |
| detailed information | ||
forecast
| Grand Cayman |
Temperature
| Grand Cayman |
Air Temperature in September, °F
The highest day temperature in September 2024 was 95°F. The lowest night temperature was 83°F. The average values for day and night temperatures during September were 90.2°F и 87.9°F respectivly.
Grand Cayman Water Sea Temperature in September, °F
The average sea surface temperature in September 2024 for Grand Cayman was 91.0°F. The maximum and minimum values were 90.0°F and 91.8°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 Grand Cayman is 2.3 in.
The average wind speed in September is 10.8 mph. It makes September the most windless month of the year for Grand Cayman.
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 Grand Cayman in September is 7.2 hours.
Grand Cayman on the Weather Map
| 0900 |  |
84°F | W 19 mph |
| 1200 | |
84°F | W 17 mph |
| 1500 |  |
84°F | W 12 mph |
| 1800 | |
82°F | W 14 mph |
| 2100 |  |
84°F | W 15 mph |
| 0000 | |
84°F | W 15 mph |
| 0300 | |
84°F | W 11 mph |
| 0600 | |
82°F | W 11 mph |