September weather forecast
Stony Hill, Jamaica

englishespañol中文
Share

Weather in September

September offers the quintessential transitional weather of Stony Hill as the rainy season begins to retract. The precipitous drop in rainfall to 118mm (4.65") announces the approaching conclusion of the rainy season. Despite the decline in rainfall, the temperatures stay relatively constant, maintaining the welcoming tropical warmth. The UV Index continues to hover around a safe 7, ensuring manageable exposure levels for locals and visitors. The wind speed reduces further, paving the way for calm and serene surroundings.

Temperature

With the transition into September, Stony Hill notes an average high-temperature of a still moderately hot 28.5°C (83.3°F), closely resembling August. During September, Stony Hill's nighttime temperatures demonstrate a subtle cooling from daytime highs, stabilizing at a still moderately hot 25.8°C (78.4°F).

Heat index

In September, the average heat index is appraised at a tropical 34°C (93.2°F). Apply extra caution, heat cramps and heat exhaustion could happen. Heatstroke might occur with long-duration activity.
Be informed that the heat index values are oriented around shady conditions and gentle breezes. The direct sunshine could escalate the heat index values by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'feels like', is a numerical representation of warmth when taking temperature and moisture levels into account. The impact of weather is individual, with diverse individuals experiencing it differently due to variations in body mass, height, and activity levels. Take note that direct exposure to the sun can increase the felt temperature, possibly adding 15 Fahrenheit (8 Celsius) degrees to the heat index. Heat index values are particularly important for children. Young ones are generally at greater risk than adults due to their limited sweating ability. In addition, their large skin surface relative to their small bodies and higher heat production from their activities add to their vulnerability.

Humidity

The average relative humidity in September in Stony Hill is 81%.

Rainfall

In Stony Hill, in September, during 25.5 rainfall days, 118mm (4.65") of precipitation is typically accumulated. Throughout the year, in Stony Hill, there are 305.2 rainfall days, and 1242mm (48.9") of precipitation is accumulated.

Daylight

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

Sunshine

The average sunshine in September in Stony Hill is 10.4h.

UV index

The months with the highest UV index in Stony Hill are April through July, September and October, with an average maximum UV index of 7. A UV Index estimate of 6 to 7 represents a high health hazard from exposure to the Sun's UV rays for the average person.
Note: In September, a daily maximum UV index of 7 leads to the following instructions:
Follow precautions and abide by sun safety rules. Deterrence of sunburn is imperative. Avoid direct Sun exposure from 10 a.m. to 4 p.m., a period when UV radiation is most intense, and remember that not all shade structures provide full protection. Select sunglasses that boast both UVA and UVB protection to limit the adverse effects of the sun on the eyes.
[Resources]

Frequently asked questions

Is it hot in Stony Hill during September?

The average high-temperature and low-temperature in Stony Hill during September are 28.5°C (83.3°F) and 25.8°C (78.4°F) respectively. In September, the average heat index (a.k.a. 'feels like', 'real feel'), which factors the actual air temperature with the relative humidity, is appraised at 34°C (93.2°F).

What is the average humidity in September in Stony Hill?

The average relative humidity in September in Stony Hill is 81%.

How many days does it rain in September in Stony Hill?

In Stony Hill, Jamaica, in September, during 25.5 rainfall days, 118mm (4.65") of precipitation is typically accumulated.

What is the average length of the day in September in Stony Hill?

In September, the average day length in Stony Hill is 12h and 14min.

When is the sunrise / sunset in September in Stony Hill?

On the first day of September in Stony Hill, 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.

How long on average sun shines in September in Stony Hill?

In September, the average sunshine duration in Stony Hill, Jamaica, is 10.4h.

What are the months with the highest UV index in Stony Hill?

The months with the highest UV index in Stony Hill, Jamaica, are April through July, September and October, with an average maximum UV index of 7.

How high is the UV index in September in Stony Hill?

In September, the average daily maximum UV index in Stony Hill is 7. A UV Index value of 6 to 7 symbolizes a high health vulnerability from unprotected exposure to UV radiation.

Average temperature in September
Stony Hill, Jamaica

Average temperature in September - Stony Hill, Jamaica
  • Average high temperature in September: 28.5°C

The warmest month (with the highest average high temperature) is August (28.8°C).
The month with the lowest average high temperature is February (25.9°C).

  • Average low temperature in September: 25.8°C

The month with the highest average low temperature is August (26.1°C).
The coldest month (with the lowest average low temperature) is March (23.1°C).

[Resources]

Average pressure in September
Stony Hill, Jamaica

Average pressure in September - Stony Hill, Jamaica
  • Average pressure in September: 1012.4mbar

The month with the highest atmospheric pressure is January (1015.7mbar).
The month with the lowest atmospheric pressure is October (1011.6mbar).

[Resources]

Average wind speed in September
Stony Hill, Jamaica

Average wind speed in September - Stony Hill, Jamaica
  • Average wind speed in September: 12.8km/h

The windiest month (with the highest average wind speed) is June (18km/h).
The calmest month (with the lowest average wind speed) is September (12.8km/h).

[Resources]

Average humidity in September
Stony Hill, Jamaica

Average humidity in September - Stony Hill, Jamaica
  • Average humidity in September: 81%

The month with the highest relative humidity is June (83%).
The months with the lowest relative humidity are January, February and March (79%).

[Resources]

Average rainfall in September
Stony Hill, Jamaica

Average rainfall in September - Stony Hill, Jamaica
  • Average rainfall in September: 118mm

The wettest month (with the highest rainfall) is August (147mm).
The driest month (with the least rainfall) is February (60mm).

[Resources]

Average rainfall days in September
Stony Hill, Jamaica

Average rainfall days in September - Stony Hill, Jamaica
  • Average rainfall days in September: 25.5 days

The month with the highest number of rainy days is August (27.8 days).
The month with the least rainy days is February (22.3 days).

[Resources]

Average daylight in September /
Average sunshine in September
Stony Hill, Jamaica

Average daylight in September / Average sunshine in September - Stony Hill, Jamaica
  • Average daylight in September: 12h and 1min

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 2min

The month with the most sunshine is August (Average sunshine: 10h and 30min).
The months with the least sunshine are November and December (Average sunshine: 6h and 12min).

[Resources]

Average sunshine days in September
Stony Hill, Jamaica

Average sunshine days in September - Stony Hill, Jamaica
  • Average sunshine days in September: 1.7 days

The month with the most sunshine days is March (3.2 days).
The month with the least sunshine days is August (0.8 days).

[Resources]

Average UV index in September
Stony Hill, Jamaica

Average UV index in September - Stony Hill, Jamaica
  • Average UV index in September: 7

The months with the highest UV index are April, May, June, July, September and October (UV index 7).
The months with the lowest UV index are January, February, March, August, November and December (UV index 6).

[Resources]

Average cloud cover in September
Stony Hill, Jamaica

Average cloud cover in September - Stony Hill, Jamaica
  • Average cloud cover in September: 33

The month with the most cloud cover is June (Cloud cover 44).
The month with the least cloud cover is September (Cloud cover 33).

[Resources]

Average visibility in September
Stony Hill, Jamaica

Average visibility in September - Stony Hill, Jamaica
  • Average visibility in September: 10km

The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).

[Resources]

Stony Hill, Jamaica

Weather forecast for your location

1. Click Locate me button
2. Allow the app to use your location