September weather forecastMount Fortune, Anguilla
September
Weather in September
Mount Fortune experiences a slight contraction in daylight during September, with sunlight hours receding to 12.2. Though the temperatures stay warm, the reduction of daylight hours and an impressive rainfall volume of 78mm (3.07") bring a change to the city's atmospheric demeanor. The rainfall, dappled across nearly 19.3 days, makes the cityscape come alive with a rich display of local flora and fauna. The breeze remains a comforting presence, providing a gentle counterpoint to the increasing humidity. As with other months, the UV index remains at a neutral 7, offering just the right amount of warmth.Temperature
Mount Fortune's warmest month, September, generally records average temperatures ranging from a high of 28.8°C (83.8°F) to a low of 27.7°C (81.9°F).Heat index
The heat index in September is calculated to be a hot 34°C (93.2°F). Implement more safety precautions, heat cramps and heat exhaustion may happen. Persistent activity could induce heatstroke.Remember that heat index calculations are made for conditions in the shade with light wind. The heat index may experience an enhancement of 15 Fahrenheit (8 Celsius) degrees under direct sunlight.
Note: The heat index, also known as 'real feel' or 'feels like', is found by incorporating humidity levels into the air temperature measurement. One's perception of temperature can vary depending on physical activity and individual heat sensitivity, influenced by factors like wind, attire, and metabolic variations. Keep aware, the sun, when shining directly, can intensify the heat experience, pushing the heat index up by 15 Fahrenheit (8 Celsius) degrees. Heat index values are of high significance for children. Children often lack awareness of the importance of taking breaks and rehydrating. The feeling of thirst is a late indication of dehydration, so maintaining hydration, especially during long periods of physical activity, is critical.
Humidity
The average relative humidity in September is 77%.Rainfall
In Mount Fortune, in September, during 19.3 rainfall days, 78mm (3.07") of precipitation is typically accumulated. Throughout the year, in Mount Fortune, there are 247 rainfall days, and 711mm (27.99") of precipitation is accumulated.Daylight
In September, the average length of the day is 12h and 14min.On the first day of the month, sunrise is at 05:57 and sunset at 18:25. On the last day of September, in Mount Fortune, sunrise is at 06:02 and sunset at 18:01 AST.
Sunshine
In Mount Fortune, Anguilla, the average sunshine in September is 9.5h.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 Mount Fortune, Anguilla, are January through December, with an average maximum UV index of 7. A UV Index estimate of 6 to 7 represents a high health hazard from unprotected exposure to Sun's UV rays for ordinary individuals.Note: An average UV index of 7 in September transforms into this advice:
Take precautions against overexposure. Fair-skinned people may get burned in less than 20 minutes. Limit your direct sun exposure, especially between 10 a.m. and 4 p.m., when UV radiation is strongest. Shade structures might not provide complete sun protection. Combat UV radiation's detrimental effects with sun-safe clothing and UV-blocking eyewear.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Mount Fortune, Anguilla
- Average high temperature in September: 28.8°C
The warmest month (with the highest average high temperature) is September (28.8°C).
The months with the lowest average high temperature are February and March (25.8°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
Mount Fortune, Anguilla
- Average pressure in September: 1013.5mbar
The months with the highest atmospheric pressure are January, February and June (1016.6mbar).
The month with the lowest atmospheric pressure is October (1012.8mbar).
Average wind speed in September
Mount Fortune, Anguilla
- Average wind speed in September: 20.4km/h
The windiest month (with the highest average wind speed) is July (25.7km/h).
The calmest month (with the lowest average wind speed) is October (19.2km/h).
Average humidity in September
Mount Fortune, Anguilla
- Average humidity in September: 77%
The months with the highest relative humidity are May, June, July and August (78%).
The months with the lowest relative humidity are January, February, March and December (75%).
Average rainfall in September
Mount Fortune, Anguilla
- Average rainfall in September: 78mm
The wettest month (with the highest rainfall) is October (89mm).
The driest month (with the least rainfall) is February (31mm).
Average rainfall days in September
Mount Fortune, Anguilla
- Average rainfall days in September: 19.3 days
The month with the highest number of rainy days is November (23.5 days).
The month with the least rainy days is June (16.9 days).
Average daylight in September /
Average sunshine in September
Mount Fortune, Anguilla
- Average daylight in September: 12h and 12min
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: 9h and 30min
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 24min).
Average sunshine days in September
Mount Fortune, Anguilla
- Average sunshine days in September: 7.5 days
The months with the most sunshine days are April and October (8.3 days).
The month with the least sunshine days is July (3.9 days).
Average UV index in September
Mount Fortune, Anguilla
- 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
Mount Fortune, Anguilla
- Average cloud cover in September: 37
The months with the most cloud cover are May, June, July and August (Cloud cover 41).
The months with the least cloud cover are February and March (Cloud cover 35).
Average visibility in September
Mount Fortune, Anguilla
- 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).
