September weather forecast
Nassau, The Bahamas

September, the first month of the autumn in Nassau, is still a hot month, with an average temperature ranging between max 31.5°C (88.7°F) and min 23.5°C (74.3°F).

Temperature

In September, the average high-temperature is relatively the same as in August - a still hot 31.5°C (88.7°F). The average low-temperature, in September, is 23.5°C (74.3°F).

Rainfall

In September, in Nassau, the rain falls for 17 days. Throughout September, 163mm (6.42") of precipitation is accumulated. Throughout the year, in Nassau, The Bahamas, there are 138 rainfall days, and 1396mm (54.96") of precipitation is accumulated.

Sea temperature

In Nassau, The Bahamas, in September, the average water temperature is 29.6°C (85.3°F).
Note: For swimming, diving, and other water activities, temperatures between 25°C (77°F) and 29°C (84.2°F) are perceived as very enjoyable and pleasurable for prolonged periods without feeling uncomfortable.

Daylight

The average length of the day in September in Nassau is 12h and 17min.
On the first day of the month, sunrise is at 06:50 and sunset at 19:28. On the last day of September, sunrise is at 07:01 and sunset at 18:57 EDT.

Sunshine

The average sunshine in September in Nassau is 7.1h.

UV index

The average daily maximum UV index in September in Nassau is 10. A UV Index estimate of 8 to 10 represents a very high threat to health from unsafe exposure to UV radiation for the average person.
Note: The daily maximum UV index of 10 in September interpret into the following advice:
Take extra precautions. Fair-skinned individuals may get burned in less than 10 minutes. Seek shade and minimize exposure to direct Sun in a period between 10 a.m. and 4 p.m. when UV radiation is most intense; keep in mind that shade structures like parasols or canopies do not provide perfect sun protection. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects. Even on cloudy days, a sunscreen with a minimum 30 sun protection factor should be generously applied and frequently re-applied, including after every swim or outdoor exercise. Caution! The reflection of sand and water significantly increases the intensity of the Sun's UV radiation.