Weather in September
The ideal sea water temperature of 27.8°C (82°F) makes September
, the best time for swimming and other water activities.
The months with the warmest seawater are August
and September, with an average sea temperature of 27.8°C (82°F).Note
: For any water activity, surface water temperatures between 25°C (77°F) and 29°C (84.2°F) are considered as excellent and extremely pleasant for lengthened periods.
In September, the average length of the day in St.George's is 12h and 22min.
On the first day of September, sunrise is at 06:53 and sunset at 19:43. On the last day of the month, sunrise is at 07:12 and sunset at 19:05 ADT.