Contents
- Weather in September
- Frequently asked questions
- Average temperature in September
- Average pressure in September
- Average wind speed in September
- Average humidity in September
- Average rainfall in September
- Average rainfall days in September
- Average daylight in September
- Average sunshine in September
- Average sunshine days in September
- Average UV index in September
- Average cloud cover in September
- Average visibility in September
Weather in September
Temperature
With average high temperatures of 28.9°C (84°F) and lows of 27.7°C (81.9°F), September is the warmest month.Heat index
The heat index in September is estimated at a hot 34°C (93.2°F). Take special precautions - heat exhaustion and heat cramps are expected. Heatstroke may occur with lengthy activity.Evaluating the heat index requires understanding its values in the shade and with gentle winds. Direct sunshine exposure could raise heat index values by as much as 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'apparent temperature', shows a temperature sensation when both heat and moisture conditions are combined. This effect is subjective, differing among individuals based on their physical activity and perception of heat, which can be influenced by factors like wind, clothing, and metabolic variances. One must note that being under the direct sun can escalate the heat's effects, with the heat index possibly rising by 15 Fahrenheit (8 Celsius) degrees. Heat index values are quite important for babies and toddlers. Children regularly disregard the necessity to rest and replenish fluids. Thirst is a late symptom of dehydration - thus, maintaining hydration, particularly during long-lasting physical activities, is essential.
Humidity
The average relative humidity in September is 77%.Rainfall
In The Settlement, in September, it is raining for 23.4 days, with typically 110mm (4.33") of accumulated precipitation. In The Settlement, during the entire year, the rain falls for 262.1 days and collects up to 835mm (32.87") of precipitation.Daylight
In The Settlement, the average length of the day in September is 12h and 14min.On the first day of September in The Settlement, British Virgin Islands, sunrise is at 06:02 and sunset at 18:31. On the last day of the month, sunrise is at 06:07 and sunset at 18:06 AST.
Sunshine
In The Settlement, the average sunshine in September is 8.6h.UV index
The months with the highest UV index are January through December, with an average maximum UV index of 7. The months with the lowest UV index are January through December, with an average maximum UV index of 7. A UV Index value of 6 to 7 symbolizes a high health hazard from unprotected exposure to Sun's UV rays for average individuals.Note: The maximum UV index of 7 during September translates into these guidelines:
Take precautions and adopt sun safety practices. Protection against sunburn is obliged. Avoid direct Sun exposure and stay in the shade between 10 a.m. and 4 p.m., a time when UV radiation is most intense, noting that not all shade structures offer full protection. Sunglasses that guard against UVA and UVB rays are pivotal in minimizing sun-induced ocular damage.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What month is the hottest?
How hot is it in September?
What is the average humidity in September?
How many days does it rain in September?
What is the average length of the day in September?
When is the sunrise / sunset in September?
How long on average sun shines in September?
When is the highest UV index?
What is the month with the lowest UV index in The Settlement?
How high is the UV index in September?
Average temperature in September
The Settlement, 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).
Average pressure in September
The Settlement, 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).
Average wind speed in September
The Settlement, 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).
Average humidity in September
The Settlement, 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%).
Average rainfall in September
The Settlement, 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).
Average rainfall days in September
The Settlement, 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).
Average daylight in September /
Average sunshine in September
The Settlement, 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).
Average sunshine days in September
The Settlement, 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).
Average UV index in September
The Settlement, 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).
Average cloud cover in September
The Settlement, 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).
Average visibility in September
The Settlement, 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).
The Settlement, British Virgin Islands
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