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
September
Weather in September
Temperature
The month of September sees the highest average temperatures, reaching 28.8°C (83.8°F) at the peak and 27.7°C (81.9°F) at the low.Heat index
For most parts of September, the heat index is appraised at a tropical 34°C (93.2°F). Implement additional preventive actions, heat cramps and heat exhaustion are potential hazards. Heatstroke could follow prolonged activity.Consider that heat index readings are for situations in the shade and light wind. Direct sunshine exposure could raise heat index values by as much as 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'apparent temperature', integrates the air's temperature and its humidity to showcase the felt temperature by people. One's perception of weather can be shaped by other factors, involving metabolic differences, pregnancy, and physical exertion. It is noteworthy to mention that direct sunlight exposure can augment the felt temperature, leading to an increase in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly critical to babies and toddlers. Young ones regularly neglect the requirement for rest and fluid replenishment. Thirst is a late stage of dehydration - so, it is necessary to keep hydrated, particularly during extended periods of physical exertion.
Humidity
The average relative humidity in September is 77%.Rainfall
In John Hughes, in September, during 23.3 rainfall days, 88mm (3.46") of precipitation is typically accumulated. In John Hughes, Antigua and Barbuda, during the entire year, the rain falls for 265.2 days and collects up to 744mm (29.29") of precipitation.Daylight
In September, the average length of the day is 12h and 14min.On the first day of the month, sunrise is at 05:53 and sunset at 18:20. On the last day of September, in John Hughes, sunrise is at 05:57 and sunset at 17:56 AST.
Sunshine
The months with the most sunshine are April, August and September, with an average of 10.3h of sunshine.UV index
The months with the highest UV index in John Hughes are January through December, with an average maximum UV index of 7. January through December, with an average maximum UV index of 7, are months with the lowest UV index. A UV Index estimate of 6 to 7 represents a high health vulnerability from unsafe exposure to UV radiation for average individuals.Note: During September, 7 as the daily maximum UV index converts into the following advice:
Stay clear of intense sun exposure. Solar protection is of utmost significance. Between 10 a.m. and 4 p.m., the Sun's UV radiation is at its peak. Limit your exposure to direct sunlight during these hours. For optimum UV protection, wear sun-resistant attire complemented with a hat and quality shades.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the hottest time of year?
Is it hot during September?
What is the average humidity in September?
How much does it rain in September?
What is the average length of the day in September?
What time are sunrise and sunset in September?
What are the months with the most sunshine?
How many hours of sunshine does John Hughes have in September?
What is the month with the highest UV index?
When is the lowest UV index?
What is the UV index reading in September in John Hughes?
Average temperature in September
John Hughes, Antigua and Barbuda
- 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 March (25.9°C).
- Average low temperature in September: 27.7°C
The month with the highest average low temperature is October (27.9°C).
The coldest months (with the lowest average low temperature) are February and March (25°C).
Average pressure in September
John Hughes, Antigua and Barbuda
- Average pressure in September: 1013.2mbar
The month with the highest atmospheric pressure is June (1016.3mbar).
The months with the lowest atmospheric pressure are October and November (1012.6mbar).
Average wind speed in September
John Hughes, Antigua and Barbuda
- Average wind speed in September: 21.1km/h
The windiest month (with the highest average wind speed) is July (26.9km/h).
The calmest month (with the lowest average wind speed) is October (20.4km/h).
Average humidity in September
John Hughes, Antigua and Barbuda
- Average humidity in September: 77%
The months with the highest relative humidity are May, July and August (78%).
The months with the lowest relative humidity are January, February and March (75%).
Average rainfall in September
John Hughes, Antigua and Barbuda
- Average rainfall in September: 88mm
The wettest month (with the highest rainfall) is October (100mm).
The driest month (with the least rainfall) is February (23mm).
Average rainfall days in September
John Hughes, Antigua and Barbuda
- Average rainfall days in September: 23.3 days
The month with the highest number of rainy days is July (24.8 days).
The month with the least rainy days is March (17.7 days).
Average daylight in September /
Average sunshine in September
John Hughes, Antigua and Barbuda
- Average daylight in September: 12h and 1min
The month with the longest days is June (Average daylight: 13h and 6min).
The month with the shortest days is December (Average daylight: 11h and 6min).
- Average sunshine in September: 10h and 2min
The months with the most sunshine are April, August and September (Average sunshine: 10h and 18min).
The months with the least sunshine are November and December (Average sunshine: 6h and 30min).
Average sunshine days in September
John Hughes, Antigua and Barbuda
- Average sunshine days in September: 3.3 days
The month with the most sunshine days is March (9.1 days).
The month with the least sunshine days is July (0.6 days).
Average UV index in September
John Hughes, Antigua and Barbuda
- 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
John Hughes, Antigua and Barbuda
- Average cloud cover in September: 38
The months with the most cloud cover are May, June and July (Cloud cover 43).
The month with the least cloud cover is February (Cloud cover 34).
Average visibility in September
John Hughes, Antigua and Barbuda
- 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).
