September weather forecast
Treasure Cay, The Bahamas

September in Treasure Cay introduces a subtle decline in temperature, accompanied by a higher amount of rainfall. The area sees about 195mm (7.68") of precipitation, marking it as the second-highest rainfall month after June. The minor drop in temperature provides relief from the tropical summer. Simultaneously, the increased rainfall induces more nature-bound explorations. Interestingly, it's during the shoulder seasons like this, when Treasure Cay unveils its enigmatic layers.

Temperature

The arrival of September in Treasure Cay brings an average high-temperature of a still tropical 30°C (86°F), subtly diverging from August's 31°C (87.8°F). During September, Treasure Cay records a consistent average nighttime temperature of 24°C (75.2°F).

Rainfall

The month with the most rainfall is September, when the rain falls for 21 days and typically aggregates up to 195mm (7.68") of precipitation.

Sea temperature

The months with the warmest seawater are July through September, with an average sea temperature of 29°C (84.2°F).
Note: In water temperatures ranging between 25°C (77°F) and 29°C (84.2°F), activities such as swimming and diving become highly pleasurable for long durations.

Daylight

In September, the average length of the day is 12h and 18min.
On the first day of September, sunrise is at 06:48 and sunset at 19:28. On the last day of the month, sunrise is at 07:01 and sunset at 18:56 EDT.

Sunshine

January, February, September through December, with an average of 7h of sunshine, are months with the least sunshine in Treasure Cay.

UV index

The average daily maximum UV index in September in Treasure Cay is 10. A UV Index estimate of 8 to 10 represents a very high health vulnerability from unsafe exposure to UV radiation for ordinary individuals.
Note: A typical high UV index of 10 in September suggests the following recommendations:
It is essential to prioritize protection. Unprotected skin and eyes can suffer rapid harm. The Sun's UV radiation is most potent between 10 a.m. and 4 p.m. Try to limit direct exposure to the Sun during this period. Boost your sun resistance with garments that are densely woven yet spacious. Even on overcast days, a sunscreen with a sun protection factor of no less than 30 should be generously applied and reapplied, particularly after swimming or outdoor activities. Notice! Sand and water reflections contribute to a stronger UV exposure.