September weather forecast
Lionel Town, Jamaica

The first month of the autumn, September, is also a hot month in Lionel Town, Jamaica, with temperature in the range of an average high of 30.4°C (86.7°F) and an average low of 22.9°C (73.2°F).

Temperature

The commencement of September records an average high-temperature of a still hot 30.4°C (86.7°F), barely varying from August's 31.1°C (88°F). Throughout the nights in September, an average low-temperature of 22.9°C (73.2°F) is noted in Lionel Town.

Heat index

September's heat index is estimated at a fiery hot 39°C (102.2°F). Take more caution, heat exhaustion and heat cramps may occur. Long-lasting activity may cause heatstroke.
Be informed that the heat index values are oriented around shady conditions and gentle breezes. Heat index values may surge by up to 15 Fahrenheit (8 Celsius) degrees in the presence of direct sunlight.
Note: The heat index, also known as 'apparent temperature' or 'real feel', is a measure of how hot it feels when the actual air humidity is factored in. The impact of weather is individual, with diverse individuals experiencing it differently due to variations in body mass, height, and activity levels. Sunshine, when direct, has the potential to intensify weather effects, leading to an increase in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values hold particular significance for children. Children often fail to recognize the requirement to rest and rehydrate. Thirst, being a late symptom of dehydration, underlines the importance of maintaining hydration, especially during ongoing physical activities.
The human body normally cools itself by perspiration, as evaporated sweat carries heat away from the body. Greater relative humidity lessens the rate of evaporation, thus decreasing the body's heat dispersal, which gives rise to a sensation of overheating. Potential thermal conditions emerge as the body's heat gain outpaces its cooling mechanisms.

Humidity

The average relative humidity in September in Lionel Town is 81%.

Rainfall

In Lionel Town, Jamaica, in September, it is raining for 25.9 days, with typically 132mm (5.2") of accumulated precipitation. In Lionel Town, during the entire year, the rain falls for 279.6 days and collects up to 947mm (37.28") of precipitation.

Daylight

The average length of the day in September in Lionel Town is 12h and 14min.
On the first day of the month, sunrise is at 05:54 and sunset at 18:22. On the last day of September, in Lionel Town, Jamaica, sunrise is at 05:59 and sunset at 17:58 EST.

Sunshine

In Lionel Town, Jamaica, the average sunshine in September is 11.1h.

UV index

The months with the lowest UV index are January through April, September through December, with an average maximum UV index of 6. A UV Index of 6 to 7 symbolizes a high health hazard from exposure to the Sun's UV radiation for the average person.
Note: In September, the average maximum UV index of 6 translates into the following recommendations:
Take precautions against overexposure. Fair-skinned people may get burned in less than 20 minutes. 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. Stay sun-safe with clothing that is both closely woven and worn loosely.