September weather forecast
Cat Island, The Bahamas

September ushers a slight drop in daily high temperatures to 31°C (87.8°F), offering mild relief from the warm summer months in Cat Island. Precipitation increases to a notable 118mm (4.65"), remaining distributed equally across 20 days. Substantial daylight continues, making the outdoors enticing despite the increased rainfall. The UV index shows a throttled drop to 10, which continues to imply a high risk. As the heat gradually recedes, the sea temperature remains favorable for aquatic activities.

Temperature

In Cat Island, the warmest months are July through September, registering an average high-temperature of 31°C (87.8°F).

Rainfall

In September, in Cat Island, the rain falls for 20 days. Throughout September, 118mm (4.65") of precipitation is accumulated. Throughout the year, in Cat Island, there are 170 rainfall days, and 950mm (37.4") of precipitation is accumulated.

Sea temperature

July through September, with an average sea temperature of 29°C (84.2°F), are months with the warmest seawater in Cat Island.
Note: Water activities in surface temperatures between 25°C (77°F) and 29°C (84.2°F) are seen as exceptional and extremely agreeable for lengthened time spans.

Daylight

In September, the average length of the day in Cat Island is 12h and 17min.
On the first day of the month, sunrise is at 06:43 and sunset at 19:19. On the last day of September, in Cat Island, The Bahamas, sunrise is at 06:53 and sunset at 18:49 EDT.

Sunshine

In Cat Island, The Bahamas, the average sunshine in September is 7h.

UV index

In September, the average daily maximum UV index is 10. A UV Index estimate of 8 to 10 represents a very high health vulnerability from exposure to the Sun's UV radiation for the ordinary person.
Note: In September, the maximum UV index of 10 suggests this advice:
Act with urgency in protecting yourself. Without it, skin and eyes can be harmed in no time. Minimize exposure to direct sunlight and seek shade from 10 a.m. to 4 p.m., when UV radiation is most intense, but remember that shade structures may not offer complete protection. A wide-brimmed hat provides unparalleled sun protection for sensitive areas like the eyes, ears, and neck. Even if it's cloudy, generously apply and frequently reapply a sunscreen with no less than a 30 sun protection factor after each swim or outdoor exercise. Warning! The reflection of sand and water increases the UV dose.