September weather forecastHighgate, Jamaica
September
Weather in September
The first month of the autumn, September, is still a tropical month in Highgate, Jamaica, with temperature in the range of an average high of 31.4°C (88.5°F) and an average low of 23.3°C (73.9°F).Temperature
The arrival of September brings an average high-temperature of a still hot 31.4°C (88.5°F), nearly identical to August's 31.7°C (89.1°F). An average low-temperature of 23.3°C (73.9°F) is expected during September.Heat index
In September, the average heat index is estimated at a blistering 42°C (107.6°F). Exercise heightened safety, heat cramps and heat exhaustion are probable. Persistent activity may provoke heatstroke.Always consider that heat index estimations are for light winds and places in the shade. The heat index may scale up by 15 Fahrenheit (8 Celsius) degrees with direct sun exposure.
Note: The heat index, also known as 'apparent temperature' or 'feels like', binds temperature metrics with humidity values to give a sense of the actual warmth. Elements such as metabolic variations, pregnancy, and physical exertion can influence one's weather perception. It is essential to realize that direct sunlight can escalate the perceived temperature, increasing the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values remain especially vital for babies and toddlers. Kids are usually more vulnerable than adults, given their lesser sweating ability. Along with their larger skin surface relative to their small stature and the excess heat due to their activity, their risk is amplified.
Perspiration, followed by sweat evaporation, is the human body's chief method to maintain a balanced temperature. Under conditions of high temperature and humidity (enhanced heat index), sweat production is compromised, exacerbating the sensation of warmth. The body is at risk of dehydration and related complications when it fails to shed excessive heat.
Humidity
In Highgate, Jamaica, the average relative humidity in September is 79%.Rainfall
In Highgate, Jamaica, in September, during 23.1 rainfall days, 106mm (4.17") of precipitation is typically accumulated. Throughout the year, in Highgate, Jamaica, there are 265.1 rainfall days, and 806mm (31.73") of precipitation is accumulated.Daylight
In Highgate, the average length of the day in September is 12h and 14min.On the first day of September, sunrise is at 05:53 and sunset at 18:21. On the last day of the month, sunrise is at 05:57 and sunset at 17:56 EST.
Sunshine
In Highgate, the average sunshine in September is 10.9h.UV index
The months with the lowest UV index in Highgate are January through April, September, November and December, with an average maximum UV index of 6. A UV Index estimate of 6 to 7 represents a high health vulnerability from unprotected exposure to Sun's UV rays for the average person.Note: A maximum daily UV index of 6 during September morphs into the following directions:
Refrain from overexposure. Fair-skinned individuals could burn in under 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. Using UVA and UVB-protective sunglasses and sun-protective clothing is effective against UV radiation.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Highgate, Jamaica
- Average high temperature in September: 31.4°C
The warmest months (with the highest average high temperature) are July and August (31.7°C).
The month with the lowest average high temperature is January (28.4°C).
- Average low temperature in September: 23.3°C
The month with the highest average low temperature is August (23.8°C).
The coldest month (with the lowest average low temperature) is January (20.5°C).
Average pressure in September
Highgate, Jamaica
- Average pressure in September: 1012.3mbar
The month with the highest atmospheric pressure is January (1015.5mbar).
The month with the lowest atmospheric pressure is October (1011.5mbar).
Average wind speed in September
Highgate, Jamaica
- Average wind speed in September: 6.8km/h
The windiest month (with the highest average wind speed) is June (9km/h).
The calmest month (with the lowest average wind speed) is November (6.6km/h).
Average humidity in September
Highgate, Jamaica
- Average humidity in September: 79%
The months with the highest relative humidity are October, November and December (81%).
The months with the lowest relative humidity are March, July and August (77%).
Average rainfall in September
Highgate, Jamaica
- Average rainfall in September: 106mm
The wettest month (with the highest rainfall) is October (123mm).
The driest month (with the least rainfall) is January (26mm).
Average rainfall days in September
Highgate, Jamaica
- Average rainfall days in September: 23.1 days
The month with the highest number of rainy days is October (26.5 days).
The month with the least rainy days is February (19.2 days).
Average daylight in September /
Average sunshine in September
Highgate, Jamaica
- Average daylight in September: 12h and 12min
The month with the longest days is June (Average daylight: 13h and 12min).
The month with the shortest days is December (Average daylight: 11h and 6min).
- Average sunshine in September: 10h and 54min
The month with the most sunshine is August (Average sunshine: 11h and 0min).
The month with the least sunshine is December (Average sunshine: 6h and 42min).
Average sunshine days in September
Highgate, Jamaica
- Average sunshine days in September: 1.7 days
The month with the most sunshine days is January (6 days).
The month with the least sunshine days is October (1.5 days).
Average UV index in September
Highgate, Jamaica
- Average UV index in September: 6
The months with the highest UV index are May, June, July, August and October (UV index 7).
The months with the lowest UV index are January, February, March, April, September, November and December (UV index 6).
Average cloud cover in September
Highgate, Jamaica
- Average cloud cover in September: 29
The month with the most cloud cover is June (Cloud cover 38).
The month with the least cloud cover is September (Cloud cover 29).
Average visibility in September
Highgate, Jamaica
- Average visibility in September: 9km
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (9km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (9km).
