September weather forecast
Morant Bay, Jamaica

The tropical feel lingers in Morant Bay throughout September, despite a considerable reduction in rainfall to 129mm (5.08"). This month retains much of the warm temperatures from August, thus carrying forward the invitation for swimming and snorkeling. Even in the late summer, Morant Bay's climate remains adaptable for numerous outdoor activities. The relatively breezy conditions contribute to the ever-popular beach culture of the island during this period. The abundant sunshine paired with significant, yet declining, rainfall continues to foster optimal conditions for the flourishing vegetation.

Temperature

Morant Bay experiences the peak of its temperatures in August and September, when the average high-temperatures rise to 28.8°C (83.8°F).

Heat index

During September, the heat index is estimated at a hot 34°C (93.2°F). Implement additional preventive actions, heat cramps and heat exhaustion are potential hazards. Heatstroke could follow prolonged activity.
One should be cognizant that the heat index values are tailored for shaded spots and mild winds. The heat index might be elevated by 15 Fahrenheit (8 Celsius) degrees due to direct sun exposure.
Note: The heat index, also known as 'feels like' or 'felt air temperature', offers an insight into how hot it feels when we factor in moisture content. The influence of weather is personal, differing among individuals based on variations in body mass, stature, and the degree of physical exertion. It is noteworthy to mention that direct sunlight exposure can augment the felt temperature, leading to an increase in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values hold particular significance for children. Kids generally face higher risks than adults as they sweat less. Along with their large skin surface compared to their small bodies and higher heat production due to their activities, their vulnerability is increased.

Humidity

In Morant Bay, the average relative humidity in September is 79%.

Rainfall

In Morant Bay, in September, it is raining for 24.8 days, with typically 129mm (5.08") of accumulated precipitation. Throughout the year, there are 292.5 rainfall days, and 1440mm (56.69") of precipitation is accumulated.

Sea temperature

August and September, with an average sea temperature of 29.5°C (85.1°F), are months with the warmest seawater in Morant Bay, Jamaica.
Note: Water temperature ranging between 25°C (77°F) and 29°C (84.2°F) is considered very warm and pleasing for everyone. It allows for enjoyable water activities over extended periods without discomfort.

Daylight

The average length of the day in September is 12h and 14min.
On the first day of September, sunrise is at 05:51 and sunset at 18:19. On the last day of the month, sunrise is at 05:55 and sunset at 17:54 EST.

Sunshine

In September, the average sunshine in Morant Bay is 10.1h.

UV index

The months with the highest UV index are January through December, with an average maximum UV index of 7. January through December, with an average maximum UV index of 7, are months with the lowest UV index in Morant Bay. A UV Index reading of 6 to 7 represents a high health vulnerability from exposure to the Sun's UV rays for the ordinary person.
Note: The average daily UV index of 7 in September transforms into the following instructions:
Stand by precautions and apply sun safety measures. Evading sunburn is of great importance. To the best of your ability, limit your exposure to the sun between the hours of 10 a.m. and 4 p.m., when UV radiation is at its peak. Consider a wide-brim hat essential for effective sun defense covering your face, neck, and eyes. Attention! The combination of sand and water reflections enhances UV ray intensity.