September weather forecast
New Winthorpes, Antigua and Barbuda

September carries forward the highest rainfall of 140mm (5.51"), maintaining its reputation as a part of the wet season's peak. Consequently, frequent thunderous showers become a frequent sight, while the sun becomes overshadowed for the most part. Interestingly, with the number of sunshine hours dropping to 7, the temperature remains consistently high, implying the continued need for sun protection. Expect a small decrease in rainfall as October sets foot, signalling a gradual departure from the wet season. The consistent showers coupled with maintained warmth give September a unique spot in New Winthorpes climatology.

Temperature

Temperatures reach their maximum during July through September, recording an average high-temperature of 31°C (87.8°F).

Rainfall

The month with the most rainfall in New Winthorpes is September, when the rain falls for 17 days and typically aggregates up to 140mm (5.51") of precipitation.

Sea temperature

The month with the warmest seawater in New Winthorpes is September, with an average sea temperature of 29°C (84.2°F).
Note: Water temperature from 25°C (77°F) to 29°C (84.2°F) is considered very warm, making water activities enjoyable for prolonged periods without any uncomfortable sensations.

Daylight

In September, the average length of the day is 12h and 14min.
On the first day of the month, sunrise is at 05:53 and sunset at 18:20. On the last day of September, sunrise is at 05:57 and sunset at 17:56 AST.

Sunshine

September through December, with an average of 7h of sunshine, are months with the least sunshine.

UV index

The months with the highest UV index in New Winthorpes are March through September, with an average maximum UV index of 12. A UV Index reading of 11, and higher, represents an extreme health hazard from unprotected exposure to Sun's UV rays for average individuals.
Note: A maximum high daily UV index of 12 during September translates into the following directions:
Put into effect every precaution of importance, unprotected skin and eyes may get burns swiftly. During the period from 10 a.m. to 4 p.m., UV radiation is highest. Try to avoid direct sunlight during these hours. A hat with a generous brim can prevent nearly 50% of UV rays from reaching your eyes. A broad-spectrum sunscreen of SPF 30+ should be liberally applied and re-applied every two hours, and immediately after an outdoor workout or a swim. Caution! The reflection of sand and water significantly increases the intensity of the Sun's UV radiation.