September weather forecast
Mamora Bay, Antigua and Barbuda

Moving into September, there is an occurrence of the highest amount of precipitation throughout the year. Consequently, locals and visitors get to witness a more verdant Mamora Bay, enhancing its tropical allure. Nevertheless, the rainfall does not dampen the warm temperature and the significant amount of sunshine hours enjoyed. Rainfall peaks this month, reaching an imposing 140mm (5.51") across 16 days. As the month ends, there is an anticipation of a teeny reduction in rainfall levels preceding October.

Temperature

In Mamora Bay, July through September are characterised by the peak of temperatures, recording an average high of 31°C (87.8°F).

Rainfall

The month with the most rainfall is September, when the rain falls for 16 days and typically aggregates up to 140mm (5.51") of precipitation.

Sea temperature

September is the month with the warmest seawater, with an average sea temperature of 29°C (84.2°F).
Note: For engaging in any water activities, temperatures from 25°C (77°F) to 29°C (84.2°F) are viewed as outstanding and exceptionally pleasing for prolonged durations.

Daylight

In Mamora Bay, the average length of the day in September 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, in Mamora Bay, sunrise is at 05:57 and sunset at 17:56 AST.

Sunshine

The months with the least sunshine in Mamora Bay, Antigua and Barbuda, are September through December, with an average of 7h of sunshine.

UV index

The months with the highest UV index in Mamora Bay, Antigua and Barbuda, are March through September, with an average maximum UV index of 12. A UV Index reading of 11, and higher, represents an ultimate health vulnerability from exposure to the Sun's UV rays for average individuals.
Note: The maximum daily UV index of 12 in September interprets into the following recommendations:
Carry out all crucial safety measures, unprotected skin may burn instantly. Avoid direct exposure to the Sun between 10 a.m. and 4 p.m., the peak period for UV radiation, noting that objects like parasols or canopies might not offer complete sun protection. Shield yourself from the harmful effects of UV radiation with sun-protective attire, a hat, and quality sunglasses. Regardless of the cloudiness of the day, a sunscreen with SPF 30 or more should be applied and reapplied generously, specifically after swimming or outdoor exercise. Alert! UV radiation becomes sharper due to reflections from sand and water.