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
During September and October, Vierge des Trois Tonneaux experiences its warmest period, with an average high-temperature of 30.9°C (87.6°F).Heat index
For most parts of September, the heat index is evaluated at a blistering 40°C (104°F). Take more preventive steps, risk of heat exhaustion and heat cramps is elevated. Long activity may culminate in heatstroke.It is important to note that the heat index values are for shaded areas and light wind scenarios. The heat index has the potential to rise by 15 Fahrenheit (8 Celsius) degrees with direct sunshine exposure.
Note: The heat index, also known as 'felt air temperature' or 'apparent temperature', comes about by integrating the temperature readings with the humidity levels. A person's impression of weather can be swayed by numerous aspects, among them metabolic variations, pregnancy, and activity levels. Under direct sun rays, the felt temperature might be heightened, with the heat index increasing by 15 Fahrenheit (8 Celsius) degrees. Heat index values are largely significant for babies and toddlers. 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.
Perspiration is essential for the human body; it facilitates cooling through the process of sweat evaporation. Under conditions of increased relative humidity, the evaporation rate lessens, causing the body to retain more heat than under less humid conditions. Overheating risks increase with rising body temperatures, especially if heat release isn't efficient.
Humidity
September and October, with an average relative humidity of 77%, are the least humid months in Vierge des Trois Tonneaux.Rainfall
September is the month with the least rainfall in Vierge des Trois Tonneaux. Rain falls for 14.3 days and accumulates 29mm (1.14") of precipitation.Daylight
In Vierge des Trois Tonneaux, the average length of the day in September is 12h and 8min.On the first day of September, sunrise is at 06:26 and sunset at 18:38. On the last day of the month, sunrise is at 06:20 and sunset at 18:24 -03.
Sunshine
The month with the most sunshine in Vierge des Trois Tonneaux is September, with an average of 9.3h of sunshine.UV index
July through November, with an average maximum UV index of 7, are months with the highest UV index in Vierge des Trois Tonneaux. A UV Index of 6 to 7 symbolizes a high health vulnerability from exposure to the Sun's UV radiation for the average person.Note: In September, a daily UV index of 7 turns into the following recommendations:
Fend off overexposure. Sun protection is vital. Stay in the shade and limit direct sun exposure between 10 a.m. and 4 p.m., when UV radiation is at its strongest. Remember, however, that not all shade structures provide full sun protection. Outfit yourself in sun-safe attire, like long sleeves, pants, a hat, and UV-blocking sunglasses.
Frequently asked questions
What is the hottest time of year in Vierge des Trois Tonneaux?
How hot does it get in Vierge des Trois Tonneaux in September?
What is the least humid month in Vierge des Trois Tonneaux?
What is the average humidity in September in Vierge des Trois Tonneaux?
What is the driest month in Vierge des Trois Tonneaux?
How much does it rain in Vierge des Trois Tonneaux in September?
How many hours of daylight does Vierge des Trois Tonneaux have in September?
When are sunrise and sunset in September in Vierge des Trois Tonneaux?
What month has the most sunshine in Vierge des Trois Tonneaux?
How many hours of sunshine does Vierge des Trois Tonneaux have in September?
When is the highest UV index in Vierge des Trois Tonneaux?
What is the UV index reading in September in Vierge des Trois Tonneaux?
Average temperature in September
Vierge des Trois Tonneaux, French Guiana
- Average high temperature in September: 30.9°C
The warmest months (with the highest average high temperature) are September and October (30.9°C).
The month with the lowest average high temperature is February (27.5°C).
- Average low temperature in September: 24.8°C
The month with the highest average low temperature is November (25.1°C).
The coldest month (with the lowest average low temperature) is January (24.2°C).
Average pressure in September
Vierge des Trois Tonneaux, French Guiana
- Average pressure in September: 1012mbar
The months with the highest atmospheric pressure are June and July (1013.1mbar).
The month with the lowest atmospheric pressure is November (1009.7mbar).
Average wind speed in September
Vierge des Trois Tonneaux, French Guiana
- Average wind speed in September: 12.7km/h
The windiest month (with the highest average wind speed) is February (15.3km/h).
The calmest month (with the lowest average wind speed) is July (9.7km/h).
Average humidity in September
Vierge des Trois Tonneaux, French Guiana
- Average humidity in September: 77%
The months with the highest relative humidity are February and May (84%).
The months with the lowest relative humidity are September and October (77%).
Average rainfall in September
Vierge des Trois Tonneaux, French Guiana
- Average rainfall in September: 29mm
The wettest month (with the highest rainfall) is May (279mm).
The driest month (with the least rainfall) is September (29mm).
Average rainfall days in September
Vierge des Trois Tonneaux, French Guiana
- Average rainfall days in September: 14.3 days
The month with the highest number of rainy days is May (29.6 days).
The months with the least rainy days are September and October (14.3 days).
Average daylight in September /
Average sunshine in September
Vierge des Trois Tonneaux, French Guiana
- Average daylight in September: 12h and 1min
The month with the longest days is June (Average daylight: 12h and 24min).
The month with the shortest days is December (Average daylight: 11h and 48min).
- Average sunshine in September: 9h and 2min
The month with the most sunshine is September (Average sunshine: 9h and 18min).
The month with the least sunshine is February (Average sunshine: 5h and 48min).
Average sunshine days in September
Vierge des Trois Tonneaux, French Guiana
- Average sunshine days in September: 11.6 days
The month with the most sunshine days is October (13.2 days).
The month with the least sunshine days is May (0.6 days).
Average UV index in September
Vierge des Trois Tonneaux, French Guiana
- Average UV index in September: 7
The months with the highest UV index are July, August, September, October and November (UV index 7).
The months with the lowest UV index are January, February, March, April, May, June and December (UV index 6).
Average cloud cover in September
Vierge des Trois Tonneaux, French Guiana
- Average cloud cover in September: 25
The month with the most cloud cover is February (Cloud cover 59).
The month with the least cloud cover is September (Cloud cover 25).
Average visibility in September
Vierge des Trois Tonneaux, French Guiana
- Average visibility in September: 10km
The months with the highest visibility are January, February, March, April, August, September, October, November and December (10km).
The months with the lowest visibility are May, June and July (9km).
Vierge des Trois Tonneaux, French Guiana
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