September weather forecast
Georgetown, Saint Vincent and the Grenadines

englishespañol中文
Share

Weather in September

September represents a peculiar blend of the tropical conditions specific to Georgetown throughout the year. This month is characterized by longer hours of daylight, contrasted by increased rain and cloud cover. A notable climatic attribute is the observed average high temperature, which ascends slightly to 28.7°C (83.7°F). The month culminates the summer's heat, paving the way for the temperate and milder climate incoming in October.

Temperature

September proves to be the warmest month in Georgetown, Saint Vincent and the Grenadines, recording an average peak temperature of 28.7°C (83.7°F) and a minimum temperature of 27.9°C (82.2°F).

Heat index

For September, the heat index is estimated at a tropical 33°C (91.4°F). Undertake additional safety actions, risk of heat cramps and heat exhaustion is significant. Persistent activity may induce heatstroke.
Factoring in the heat index, values are geared towards shaded areas with light breezes. The direct sunshine could escalate the heat index values by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'feels like', combines both the air temperature and the humidity level to give a perceived human temperature. This effect is personal, shaped by the individual's physical activity and heat sensitivity, influenced by factors including wind, clothing, and metabolic variances. Exposure to direct sun rays can influence the heat you feel, pushing the heat index up by 15 Fahrenheit (8 Celsius) degrees. Heat index values are of high significance for children. Kids are usually in more danger than grown-ups as they tend to sweat less. Plus, their bigger skin surface in relation to their small frames and increased heat generation due to their activity level make them more susceptible.

Humidity

In September, the average relative humidity is 76%.

Rainfall

In Georgetown, during September, the rain falls for 14.9 days and regularly aggregates up to 26mm (1.02") of precipitation. In Georgetown, during the entire year, the rain falls for 164.4 days and collects up to 289mm (11.38") of precipitation.

Daylight

The average length of the day in September in Georgetown is 12h and 12min.
On the first day of September in Georgetown, sunrise is at 05:53 and sunset at 18:15. On the last day of the month, sunrise is at 05:53 and sunset at 17:54 AST.

Sunshine

In Georgetown, the average sunshine in September is 10.4h.

UV index

January through December, with an average maximum UV index of 7, are months with the highest UV index in Georgetown. January through December, with an average maximum UV index of 7, are months with the lowest UV index in Georgetown. A UV Index value of 6 to 7 symbolizes a high health vulnerability from unsafe exposure to UV radiation for average individuals.
Note: A daily high UV index of 7 in September leads to these guidelines:
Eschew overexposure. Those with light skin may suffer burns in fewer than 20 minutes. It's important to stay in the shade and limit exposure to the sun from 10 a.m. to 4 p.m., when UV radiation is most intense, although remember that shade structures may not provide full sun protection. To cut down UV radiation exposure by about half, sport a wide-brim hat.
[Resources]

Frequently asked questions

What time of the year is the hottest in Georgetown?

September temperatures tend to peak at an average high of 28.7°C (83.7°F) and dip to a low of 27.9°C (82.2°F).

Is it hot in Georgetown during September?

September temperatures in Georgetown, Saint Vincent and the Grenadines, vary between a high-temperature of 28.7°C (83.7°F) and a low-temperature of 27.9°C (82.2°F). The average heat index (a.k.a. 'apparent temperature', 'felt air temperature'), which calculates the temperature value influenced by the moisture in the air, in September is estimated at 33°C (91.4°F).

What is the average humidity in September in Georgetown?

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

How much does it rain in Georgetown in September?

In September, the rain falls for 14.9 days. Throughout September, 26mm (1.02") of precipitation is accumulated.

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

In September, the average day length in Georgetown, Saint Vincent and the Grenadines, is 12h and 12min.

When is the sunrise / sunset in September in Georgetown?

On the first day of September in Georgetown, Saint Vincent and the Grenadines, sunrise is at 05:53 and sunset at 18:15. On the last day of the month, sunrise is at 05:53 and sunset at 17:54 AST.

How long on average sun shines in September in Georgetown?

In September, the average sunshine duration in Georgetown is 10.4h.

What are the months with the highest UV index in Georgetown?

The months with the highest UV index in Georgetown are January through December, with an average maximum UV index of 7.

What are the months with the lowest UV index in Georgetown?

January through December, with an average maximum UV index of 7, are months with the lowest UV index.

What is the UV index intensity in September in Georgetown?

In September, the average daily maximum UV index in Georgetown is 7. A UV Index estimate of 6 to 7 represents a high hazard to health from unsafe exposure to Sun's UV rays.

Average temperature in September
Georgetown, Saint Vincent and the Grenadines

Average temperature in September - Georgetown, Saint Vincent and the Grenadines
  • Average high temperature in September: 28.7°C

The warmest month (with the highest average high temperature) is September (28.7°C).
The month with the lowest average high temperature is February (26.3°C).

  • Average low temperature in September: 27.9°C

The month with the highest average low temperature is September (27.9°C).
The coldest month (with the lowest average low temperature) is January (25.3°C).

[Resources]

Average pressure in September
Georgetown, Saint Vincent and the Grenadines

Average pressure in September - Georgetown, Saint Vincent and the Grenadines
  • Average pressure in September: 1012.3mbar

The month with the highest atmospheric pressure is June (1014.6mbar).
The month with the lowest atmospheric pressure is November (1011.1mbar).

[Resources]

Average wind speed in September
Georgetown, Saint Vincent and the Grenadines

Average wind speed in September - Georgetown, Saint Vincent and the Grenadines
  • Average wind speed in September: 19.7km/h

The windiest month (with the highest average wind speed) is February (28.4km/h).
The calmest month (with the lowest average wind speed) is September (19.7km/h).

[Resources]

Average humidity in September
Georgetown, Saint Vincent and the Grenadines

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

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

[Resources]

Average rainfall in September
Georgetown, Saint Vincent and the Grenadines

Average rainfall in September - Georgetown, Saint Vincent and the Grenadines
  • Average rainfall in September: 26mm

The wettest month (with the highest rainfall) is November (40mm).
The driest month (with the least rainfall) is February (12mm).

[Resources]

Average rainfall days in September
Georgetown, Saint Vincent and the Grenadines

Average rainfall days in September - Georgetown, Saint Vincent and the Grenadines
  • Average rainfall days in September: 14.9 days

The month with the highest number of rainy days is July (16.4 days).
The month with the least rainy days is February (8.7 days).

[Resources]

Average daylight in September /
Average sunshine in September
Georgetown, Saint Vincent and the Grenadines

Average daylight in September / Average sunshine in September - Georgetown, Saint Vincent and the Grenadines
  • Average daylight in September: 12h and 1min

The month with the longest days is June (Average daylight: 12h and 54min).
The month with the shortest days is December (Average daylight: 11h and 24min).

  • Average sunshine in September: 10h and 2min

The month with the most sunshine is August (Average sunshine: 10h and 30min).
The month with the least sunshine is December (Average sunshine: 6h and 36min).

[Resources]

Average sunshine days in September
Georgetown, Saint Vincent and the Grenadines

Average sunshine days in September - Georgetown, Saint Vincent and the Grenadines
  • Average sunshine days in September: 11.5 days

The month with the most sunshine days is March (16.7 days).
The month with the least sunshine days is July (10.1 days).

[Resources]

Average UV index in September
Georgetown, Saint Vincent and the Grenadines

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

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

[Resources]

Average cloud cover in September
Georgetown, Saint Vincent and the Grenadines

Average cloud cover in September - Georgetown, Saint Vincent and the Grenadines
  • Average cloud cover in September: 35

The month with the most cloud cover is June (Cloud cover 44).
The months with the least cloud cover are February and September (Cloud cover 35).

[Resources]

Average visibility in September
Georgetown, Saint Vincent and the Grenadines

Average visibility in September - Georgetown, Saint Vincent and the Grenadines
  • 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]

Georgetown, Saint Vincent and the Grenadines

Weather forecast for your location

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