Kingstown
Saint Vincent and the Grenadines
Long-term weather forecast
Long-term weather forecast

September weather forecast and climate
Kingstown, Saint Vincent and the Grenadines

A scenic morning view of the Indian Bay in Kingstown, Saint Vincent, and the Grenadines, with a beautiful surrounding of trees and natural parks
A scenic morning view of the Indian Bay in Kingstown, Saint Vincent, and the Grenadines, with a beautiful surrounding of trees and natural parks
The first month of the autumn, September, is still a warm month in Kingstown, Saint Vincent and the Grenadines, with average temperature fluctuating between 28.8°C (83.8°F) and 28°C (82.4°F).

Temperature

With an average high-temperature of 28.8°C (83.8°F) and an average low-temperature of 28°C (82.4°F), September is the warmest month.

Heat index

The average heat index is estimated at a tropical 33.4°C (92.1°F). Take extra precautions, as heat cramps and heat exhaustion are possible. Sustained activity may result in heatstroke.
Take into consideration that the heat index values are calculated for shade and light wind conditions. With the exposure to direct sunlight, the heat index may be increased by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel', 'felt air temperature', 'apparent temperature', or 'feels like', combines air temperature and relative humidity to represent a human perceived temperature equivalent. This effect is individual, with diverse people perceiving weather differently for numerous reasons (metabolic differences, wind, clothing), and activity. Bear in mind that direct sunshine exposure increases weather impact, and may raise heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly important for children. Young children are generally more endangered than adults, as they usually less sweat. And also, due to larger skin surface relative to their small bodies and higher heat production as a result of their activity.

Humidity

The average relative humidity in Kingstown is 76%.

Rainfall

In Kingstown, during September, the rain falls for 21.4 days and regularly aggregates up to 81mm (3.19") of precipitation. Throughout the year, in Kingstown, there are 238.6 rainfall days, and 627mm (24.69") of precipitation is accumulated.

Sea temperature

The month with the warmest seawater in Kingstown is September, with an average sea temperature of 29.7°C (85.5°F).
Note: For any water activity, surface water temperatures between 25°C (77°F) and 29°C (84.2°F) are considered as excellent and extremely pleasant for lengthened periods.

Daylight

In Kingstown, the average length of the day in September is 12.2h.

Sunshine

The average sunshine in September is 10h.

UV index

January through December, with an average maximum UV index of 7, are months with the highest UV index in Kingstown, Saint Vincent and the Grenadines. January through December, with an average maximum UV index of 7, are months with the lowest UV index in Kingstown. A UV Index value of 6 to 7 symbolizes a high threat to health from unprotected exposure to the Sun's UV rays for the ordinary person.
Note: The average daily UV index of 7 transform into the following instructions:
Take precautions against overexposure. Protection against sun damage is needed. The Sun's UV radiation is most powerful between 10 a.m. and 4 p.m. To the extent possible, limit exposure to the direct sun during these hours. A wide-brim hat offers excellent sun protection for eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Tightly woven, loose-fitting clothes provide additional protection from the Sun. Caution! The reflection of sand and water significantly increases the intensity of the Sun's UV radiation.

What is the warmest month in Kingstown?

With an average high-temperature of 28.8°C (83.8°F) and an average low-temperature of 28°C (82.4°F), September is the warmest month.

What is the temperature in September in Kingstown?

In Kingstown, Saint Vincent and the Grenadines, in September, the average high-temperature is 28.8°C (83.8°F), and the average low-temperature is 28°C (82.4°F). In September, the average heat index (a.k.a. 'felt air temperature', 'real feel'), that combines relative humidity and air temperature, is calculated to 33.4°C (92.1°F).

What is the average humidity in September in Kingstown?

In September, the average relative humidity in Kingstown, Saint Vincent and the Grenadines, is 76%.

How much does it rain in Kingstown in September?

In September, in Kingstown, the rain falls for 21.4 days. Throughout September, 81mm (3.19") of precipitation is accumulated.

When is the sea warmest in Kingstown?

September is the month with the warmest seawater in Kingstown, with an average sea temperature of 29.7°C (85.5°F).

How warm is the water in September in Kingstown?

In Kingstown, in September, the average water temperature is 29.7°C (85.5°F). Water temperature between 25°C (77°F) and 29°C (84.2°F) is regarded as very warm and enjoyable by all. With these temperatures, water activities are pleasurable, without feeling uncomfortable for prolonged periods.

What is the average length of the day in September in Kingstown?

In Kingstown, the average length of the day in September is 12.2h.

How long on average sun shines in September in Kingstown?

In Kingstown, Saint Vincent and the Grenadines, the average sunshine in September is 10h.

When is the highest UV index in Kingstown?

Months with the highest UV index in Kingstown are January through December, with an average maximum UV index of 7.

What is the month with the lowest UV index in Kingstown?

Months with the lowest UV index in Kingstown, Saint Vincent and the Grenadines, are January through December, with an average maximum UV index of 7.

What is the UV index reading in September in Kingstown?

In Kingstown, Saint Vincent and the Grenadines, the average daily maximum UV index in September is 7. A UV Index estimate of 6 to 7 represents a high health threat from the exposure to the Sun's UV rays.
Average temperature in September - Kingstown, Saint Vincent and the Grenadines
  • Average high temperature in September: 28.8°C

The warmest month (with the highest average high temperature) is September (28.8°C).
The month with the lowest average high temperature is February (26.5°C).

  • Average low temperature in September: 28°C

The month with the highest average low temperature is September (28°C).
The coldest month (with the lowest average low temperature) is February (25.7°C).

Average humidity in September - Kingstown, Saint Vincent and the Grenadines
  • Average humidity in September: 76%

Months with the highest relative humidity are May, June and July (78%).
The month with the lowest relative humidity is February (75%).

Average rainfall in September - Kingstown, Saint Vincent and the Grenadines
  • Average rainfall in September: 81mm

The wettest month (with the highest rainfall) is August (94mm).
The driest month (with the lowest rainfall) is February (23mm).

Average rainfall days in September - Kingstown, Saint Vincent and the Grenadines
  • Average rainfall days in September: 21.4 days

The month with the highest number of rainy days is August (24.3 days).
The month with the lowest number of rainy days is February (14.8 days).

Average sea temperature in September - Kingstown, Saint Vincent and the Grenadines
  • Average sea temperature in September: 29.7°C

The best month for swimming (with the highest average sea temperature) is September (29.7°C).
The coldest month (with the lowest average sea temperature) is March (27.2°C).

Average daylight in September / Average sunshine in September - Kingstown, Saint Vincent and the Grenadines
  • Average daylight in September: 12.2h

The month with the longest days is June (Average daylight: 12.9h).
The month with shortest days is December (Average daylight: 11.4h).

  • Average sunshine in September: 10h

The month with most sunshine is August (Average sunshine: 10.1h).
The month with least sunshine is December (Average sunshine: 6.4h).

Average UV index in September - Kingstown, Saint Vincent and the Grenadines
  • Average UV index in September: 7

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