September weather forecast
Troy, Jamaica

September, the first month of the autumn in Troy, is still a warm month, with an average temperature varying between 21.8°C (71.2°F) and 29.3°C (84.7°F).

Temperature

Troy, Jamaica, marks the arrival of September with an average high-temperature of a moderately hot 29.3°C (84.7°F), hardly different from August's 30°C (86°F). Troy witnesses a consistent average low-temperature of 21.8°C (71.2°F) throughout September.

Heat index

In September, the average heat index is estimated at a fiery hot 37°C (98.6°F). Take additional safety steps, risk of heat exhaustion and heat cramps is notable. Prolonged activity may cause heatstroke.
When considering the heat index, it's pivotal to note it is for shade and mild wind conditions. Exposure to direct sunlight may make the heat index values climb by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'apparent temperature', measures the perceived warmth when incorporating the humidity present in the air. The individual's impression of temperature can be affected by numerous factors such as metabolic variations, physical exertion, and attire. When you're directly under the sun's rays, remember that the heat index may surge by 15 Fahrenheit (8 Celsius) degrees. Heat index values are quite important for children. Young ones regularly neglect the requirement for rest and fluid replenishment. Thirst is a late stage of dehydration - so, it is necessary to keep hydrated, particularly during extended periods of physical exertion.
Perspiration is essential for the human body; it facilitates cooling through the process of sweat evaporation. Augmented relative humidity impedes typical body cooling mechanisms by lowering the evaporation rate, resulting in decreased body cooling and an amplified perception of heat. As body temperatures escalate without effective heat release, one might face dehydration threats.

Humidity

In Troy, the average relative humidity in September is 85%.

Rainfall

In September, in Troy, the rain falls for 27.3 days. Throughout September, 190mm (7.48") of precipitation is accumulated. In Troy, during the entire year, the rain falls for 297.9 days and collects up to 1472mm (57.95") of precipitation.

Daylight

In September, the average length of the day in Troy is 12h and 14min.
On the first day of September in Troy, sunrise is at 05:56 and sunset at 18:24. On the last day of the month, sunrise is at 06:00 and sunset at 17:59 EST.

Sunshine

The average sunshine in September is 9.8h.

UV index

In Troy, the average daily maximum UV index in September is 6. A UV Index estimate of 6 to 7 represents a high health hazard from exposure to the Sun's UV radiation for average individuals.
Note: In September, the UV index of 6 transforms into the following advice:
Avert overexposure. Light-skinned people might experience burning in less than 20 minutes. The Sun's UV radiation is most intense from 10 a.m. to 4 p.m. Try to avoid direct sun exposure during these hours. A hat with a broad brim is indispensable, filtering out up to half of UV rays.