September weather forecast
Constant Spring, Jamaica

September in Constant Spring, Jamaica enjoys relatively cooler climatic conditions ranging from 24.1°C (75.4°F) to 30.1°C (86.2°F). Notably, September handles the maximum rainfall of the year, 154mm (6.06") over 27.1 days, making the vegetation lush and vibrant. The weather conditions allude to the advancements towards the wet month of October. Regardless of higher rainfall, the city remains vibrant and lively with an average daytime of 12.2 hours.

Temperature

The beginning of September records an average high-temperature of a still tropical 30.1°C (86.2°F), marking a negligible difference from August's 30.3°C (86.5°F). Constant Spring experiences a nighttime temperature average of 24.1°C (75.4°F) during September.

Heat index

In September, the heat index is estimated at a sweltering 38°C (100.4°F). Ensure extra safety steps, heat exhaustion and heat cramps are likely. Long activity might lead to heatstroke.
Realize that the values for the heat index are set for shaded places and light winds. The heat index can potentially augment by 15 Fahrenheit (8 Celsius) degrees due to direct sunlight.
Note: The heat index, also known as 'real feel' or 'apparent temperature', is derived by integrating air temperature with the existing relative humidity to express the perceived warmth. Elements such as metabolic variations, pregnancy, and physical exertion can shape one's weather perception. One must note that being under the direct sun can escalate the heat's effects, with the heat index possibly rising by 15 Fahrenheit (8 Celsius) degrees. Heat index values hold great significance to children. Kids are generally in more danger than adults because they perspire less. Their large skin surface area compared to their small bodies and the excessive heat due to their actions raises their risk.
The body's natural response to excessive warmth is perspiration, as it allows for cooling through sweat evaporation. When there is abundant moisture in the air, the body's cooling through the evaporation process becomes less effective, leading to the sensation of overheating. When heat gain surpasses the level the body can shed, body temperature begins to increase, and consequently, overheating and dehydration can occur, with varying severity.

Humidity

In Constant Spring, the average relative humidity in September is 81%.

Rainfall

In Constant Spring, Jamaica, in September, during 27.1 rainfall days, 154mm (6.06") of precipitation is typically accumulated. In Constant Spring, during the entire year, the rain falls for 310.9 days and collects up to 1286mm (50.63") of precipitation.

Daylight

In September, the average length of the day is 12h and 14min.
On the first day of September in Constant Spring, sunrise is at 05:52 and sunset at 18:20. On the last day of the month, sunrise is at 05:57 and sunset at 17:56 EST.

Sunshine

August and September, with an average of 10.8h of sunshine, are months with the most sunshine.

UV index

June through October, with an average maximum UV index of 7, are months with the highest UV index in Constant Spring. A UV Index estimate of 6 to 7 represents a high health risk from unsafe exposure to UV radiation for the ordinary person.
Note: A maximum high daily UV index of 7 during September translates into the following directions:
Beware of overexposure. Fair-skinned individuals risk burning in less than 20 minutes. Seek shade and limit direct sun exposure between 10 a.m. and 4 p.m., the peak period for UV radiation. Keep in mind that shade structures like parasols or canopies do not offer complete sun protection. By wearing a generously brimmed hat, you can cut UV radiation exposure significantly.