September weather forecastCambridge, Jamaica

Weather in September

September, being the final month of summer in Cambridge, Jamaica, showcases a decrease in temperature, marking the onset of autumn. It is a time when the city is bathed in the golden hues of sunlight for extended hours in the day. Sporadic rainfall contributes to the overall moisture content, enhancing the lushness of this tropical paradise. Despite being the stormiest period in the region, Cambridge remains a go-to destination for sun-seekers. With temperatures hovering from maximum 29.5°C (85.1°F) to minimum 26.7°C (80.1°F), this month presents a mild reprieve from the intense summer heat.

Temperature

The transition into September shows a subtle variation to a still warm 29.5°C (85.1°F) from August's 29.7°C (85.5°F) in the average high-temperature. September registers an average low temperature of 26.7°C (80.1°F), subtly lower than the daytime maximum.

Heat index

September's mean heat index is computed to be a torrid 35°C (95°F). Ensure additional precautions, heat exhaustion and heat cramps may be expected. Heatstroke could occur from sustained activity.
When considering the heat index, it's pivotal to note it is for shade and mild wind conditions. The direct sun can potentially cause the heat index to increase by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'apparent temperature', is a single figure representing how weather conditions feel when combining temperature and humidity. Elements such as metabolic variations, pregnancy, and physical exertion can shape one's weather perception. Should you be directly under the sun, anticipate a possible increase in the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely vital to babies and toddlers. Youngsters frequently overlook the need for breaks and fluid intake. Thirst is an advanced sign of dehydration - thereby highlighting the importance of keeping hydrated, particularly during long physical activities.
Perspiring is how the human body naturally cools down, as sweat's evaporation takes away excess heat. Excessive relative humidity disturbs the body's typical cooling process by reducing evaporation, leading to a decrease in body cooling rate and an increase in the sensation of warmth. When heat surpasses the body's release mechanisms, dehydration and overheating risks become pronounced.

Humidity

The average relative humidity in September is 76%.

Rainfall

In September, the rain falls for 18.4 days. Throughout September, 88mm (3.46") of precipitation is accumulated. Throughout the year, there are 177.2 rainfall days, and 687mm (27.05") of precipitation is accumulated.

Daylight

The average length of the day in September is 12h and 14min.
On the first day of September, sunrise is at 05:57 and sunset at 18:25. On the last day of the month, sunrise is at 06:01 and sunset at 18:00 EST.

Sunshine

In Cambridge, the average sunshine in September is 10.3h.

UV index

January, March through December, with an average maximum UV index of 7, are months with the highest UV index. A UV Index reading of 6 to 7 represents a high threat to health from exposure to the Sun's UV radiation for the average person.
Note: A daily maximum UV index of 7 in September translates into the following instructions:
Exercise precautions and adapt sun safety practices. Defence against skin and eye affliction is paramount. The Sun's UV radiation is most potent between the hours of 10 a.m. and 4 p.m. Try to avoid direct sunlight during this time. Prioritize a wide-brim hat for comprehensive sun defense for your face, neck, eyes, and ears.