September weather forecast
Road Town, British Virgin Islands

englishespañol中文
Share
A view of the Road Town in the British Virgin Islands from the Mount Sage National Park in Tortola
A view of the Road Town in the British Virgin Islands from the Mount Sage National Park in Tortola

Weather in September

September brings a bit of respite from the scorching heat of August in Road Town. A slight decrease in temperature is observed, ushering a calm and pleasant charm to the tropical city. The winds retain their cooling effect, balancing the overall warmth of the city. Simultaneously, rainfall hits a year-long high, yet failing to disrupt the overall ambient weather. The temperature in September fluctuates between 27.7°C (81.9°F) and 28.9°C (84°F), signaling the onset of the retreating summer.

Temperature

September stands out as Road Town's warmest month, with an average high-temperature of 28.9°C (84°F) and a low-temperature of 27.7°C (81.9°F).

Heat index

The heat index for September is estimated at a tropical 34°C (93.2°F). Adopt extra preventive measures, the occurrence of heat cramps and heat exhaustion is likely. Heatstroke may follow extended activity.
Understanding the heat index involves considering values for shaded locales with light wind. Direct sunlight might cause an increase of up to 15 Fahrenheit (8 Celsius) degrees in the heat index.
Note: The heat index, also known as 'felt air temperature' or 'feels like', offers an insight into how hot it feels when we factor in moisture content. The influence of weather is personal, with a diverse population experiencing it differently due to differences in body mass, stature, and degree of activity. 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 extremely vital to babies and toddlers. Children commonly overlook the importance of rest and fluid replenishment. Thirst, being a delayed sign of dehydration, emphasizes the need to keep hydration up, especially during lengthy physical activities.

Humidity

The average relative humidity in September in Road Town is 77%.

Rainfall

In Road Town, during September, the rain falls for 23.4 days and regularly aggregates up to 110mm (4.33") of precipitation. In Road Town, during the entire year, the rain falls for 262.1 days and collects up to 835mm (32.87") of precipitation.

Daylight

The average length of the day in September in Road Town is 12h and 14min.
On the first day of the month, sunrise is at 06:04 and sunset at 18:32. On the last day of September, in Road Town, sunrise is at 06:08 and sunset at 18:07 AST.

Sunshine

The average sunshine in September in Road Town is 8.6h.

UV index

January through December, with an average maximum UV index of 7, are months with the highest UV index. The months with the lowest UV index in Road Town are January through December, with an average maximum UV index of 7. A UV Index value of 6 to 7 symbolizes a high health risk from exposure to the Sun's UV radiation for average individuals.
Note: The daily maximum UV index of 7 in September interprets into the following advice:
Deter overexposure. Protecting against the sun's effects is essential. Avoid direct Sun exposure and seek shade between 10 a.m. and 4 p.m., when UV radiation is at its peak, but keep in mind that not all shade structures provide complete protection. Limit sun-induced ocular harm with sunglasses that feature UVA and UVB filtration.
[Resources]

Frequently asked questions

What are the warmest months in Road Town?

With its average high temperature of 28.9°C (84°F) and a low of 27.7°C (81.9°F), September is regarded as the warmest month in Road Town, British Virgin Islands.

How hot is it in Road Town in September?

In Road Town, in September, the average high-temperature is 28.9°C (84°F), and the average low-temperature is 27.7°C (81.9°F). The average heat index (a.k.a. 'felt air temperature', 'apparent temperature'), which represents the influence of relative humidity on air temperature, in September is estimated at 34°C (93.2°F).

What is the average humidity in September in Road Town?

The average relative humidity in September in Road Town, British Virgin Islands, is 77%.

How many days does it rain in September in Road Town?

In Road Town, in September, it is raining for 23.4 days, with typically 110mm (4.33") of accumulated precipitation.

How many hours of daylight does Road Town have in September?

The average day length in September is 12h and 14min.

What time are sunrise and sunset in September in Road Town?

On the first day of September in Road Town, sunrise is at 06:04 and sunset at 18:32. On the last day of the month, sunrise is at 06:08 and sunset at 18:07 AST.

How long on average sun shines in September in Road Town?

The average sunshine duration in September in Road Town, British Virgin Islands, is 8.6h.

What is the month with the highest UV index in Road Town?

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

What is the month with the lowest UV index in Road Town?

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 Road Town?

In Road Town, British Virgin Islands, the average daily maximum UV index in September is 7. A UV Index value of 6 to 7 symbolizes a high hazard to health from unprotected exposure to UV radiation.

Average temperature in September
Road Town, British Virgin Islands

Average temperature in September - Road Town, British Virgin Islands
  • Average high temperature in September: 28.9°C

The warmest month (with the highest average high temperature) is September (28.9°C).
The months with the lowest average high temperature are February and March (25.9°C).

  • Average low temperature in September: 27.7°C

The month with the highest average low temperature is October (27.8°C).
The coldest month (with the lowest average low temperature) is March (24.7°C).

[Resources]

Average pressure in September
Road Town, British Virgin Islands

Average pressure in September - Road Town, British Virgin Islands
  • Average pressure in September: 1013.5mbar

The month with the highest atmospheric pressure is January (1016.7mbar).
The month with the lowest atmospheric pressure is October (1012.7mbar).

[Resources]

Average wind speed in September
Road Town, British Virgin Islands

Average wind speed in September - Road Town, British Virgin Islands
  • Average wind speed in September: 19.1km/h

The windiest month (with the highest average wind speed) is July (24.4km/h).
The calmest month (with the lowest average wind speed) is October (18.2km/h).

[Resources]

Average humidity in September
Road Town, British Virgin Islands

Average humidity in September - Road Town, British Virgin Islands
  • Average humidity in September: 77%

The months with the highest relative humidity are June and July (79%).
The months with the lowest relative humidity are January, February, March, October and December (75%).

[Resources]

Average rainfall in September
Road Town, British Virgin Islands

Average rainfall in September - Road Town, British Virgin Islands
  • Average rainfall in September: 110mm

The wettest months (with the highest rainfall) are August and October (113mm).
The driest month (with the least rainfall) is February (28mm).

[Resources]

Average rainfall days in September
Road Town, British Virgin Islands

Average rainfall days in September - Road Town, British Virgin Islands
  • Average rainfall days in September: 23.4 days

The month with the highest number of rainy days is November (24.9 days).
The month with the least rainy days is February (17.5 days).

[Resources]

Average daylight in September /
Average sunshine in September
Road Town, British Virgin Islands

Average daylight in September / Average sunshine in September - Road Town, British Virgin Islands
  • 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 0min).

  • Average sunshine in September: 8h and 4min

The month with the most sunshine is June (Average sunshine: 10h and 24min).
The month with the least sunshine is December (Average sunshine: 6h and 18min).

[Resources]

Average sunshine days in September
Road Town, British Virgin Islands

Average sunshine days in September - Road Town, British Virgin Islands
  • Average sunshine days in September: 3.5 days

The month with the most sunshine days is February (7.1 days).
The month with the least sunshine days is August (1.7 days).

[Resources]

Average UV index in September
Road Town, British Virgin Islands

Average UV index in September - Road Town, British Virgin Islands
  • 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
Road Town, British Virgin Islands

Average cloud cover in September - Road Town, British Virgin Islands
  • Average cloud cover in September: 37

The months with the most cloud cover are May, July and August (Cloud cover 41).
The month with the least cloud cover is February (Cloud cover 34).

[Resources]

Average visibility in September
Road Town, British Virgin Islands

Average visibility in September - Road Town, British Virgin Islands
  • 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]

Road Town, British Virgin Islands

Weather forecast for your location

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