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
Temperature readings reach their annual highs in September, averaging 28.8°C (83.8°F) and a minimum average of 27.7°C (81.9°F).Heat index
For September, the heat index is estimated at a tropical 34°C (93.2°F). Adopt extra safety steps, risk of heat exhaustion and heat cramps is notable. Sustained activity might cause heatstroke.When referencing the heat index, its values are suitable for shady environments and light breezes. The direct sun can potentially cause the heat index to increase by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'apparent temperature', is a single figure representing how weather conditions feel when combining temperature and humidity. The influence of weather is personal, with a diverse population experiencing it differently due to differences in body mass, stature, and degree of activity. The sun, when shining directly, can have a significant impact on the perceived temperature, increasing the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely vital to babies and toddlers. Youngsters frequently overlook the need for breaks and fluid intake. Thirst is an advanced sign of dehydration - thereby highlighting the importance of keeping hydrated, particularly during long physical activities.
Humidity
The average relative humidity in September is 77%.Rainfall
In Cul-de-Sac, Saint Martin, in September, it is raining for 21.7 days, with typically 99mm (3.9") of accumulated precipitation. In Cul-de-Sac, during the entire year, the rain falls for 252.8 days and collects up to 771mm (30.35") of precipitation.Daylight
The average length of the day in September 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 Cul-de-Sac, Saint Martin, sunrise is at 06:02 and sunset at 18:01 AST.
Sunshine
In September, the average sunshine in Cul-de-Sac is 9.4h.UV index
The months with the highest UV index in Cul-de-Sac are January through November, with an average maximum UV index of 7. A UV Index estimate of 6 to 7 represents a high health risk from unsafe exposure to UV radiation for the ordinary person.Note: In September, the UV index of 7 transforms into the following advice:
Evade overexposure. Individuals with fair skin risk burning in under 20 minutes. Limit your exposure to the sun's UV radiation, which is strongest between 10 a.m. and 4 p.m., and note that parasols or canopies may not provide full sun protection. Outfit yourself in sun-safe attire, like long sleeves, pants, a hat, and UV-blocking sunglasses.
Frequently asked questions
What part of the year is the hottest in Cul-de-Sac?
How hot does it get in Cul-de-Sac in September?
What is the average humidity in September in Cul-de-Sac?
How many days does it rain in September in Cul-de-Sac?
How many hours of daylight does Cul-de-Sac have in September?
When are sunrise and sunset in September in Cul-de-Sac?
How long on average sun shines in September in Cul-de-Sac?
What is the month with the highest UV index in Cul-de-Sac?
What is the UV index intensity in September in Cul-de-Sac?
Average temperature in September
Cul-de-Sac, Saint Martin
- 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 (25.8°C).
- Average low temperature in September: 27.7°C
The month with the highest average low temperature is September (27.7°C).
The coldest month (with the lowest average low temperature) is March (24.7°C).
Average pressure in September
Cul-de-Sac, Saint Martin
- Average pressure in September: 1013.4mbar
The months with the highest atmospheric pressure are January and June (1016.6mbar).
The month with the lowest atmospheric pressure is October (1012.7mbar).
Average wind speed in September
Cul-de-Sac, Saint Martin
- Average wind speed in September: 20.3km/h
The windiest month (with the highest average wind speed) is July (25.6km/h).
The calmest month (with the lowest average wind speed) is October (18.9km/h).
Average humidity in September
Cul-de-Sac, Saint Martin
- 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
Cul-de-Sac, Saint Martin
- Average rainfall in September: 99mm
The wettest month (with the highest rainfall) is October (103mm).
The driest month (with the least rainfall) is February (19mm).
Average rainfall days in September
Cul-de-Sac, Saint Martin
- Average rainfall days in September: 21.7 days
The month with the highest number of rainy days is August (25.3 days).
The month with the least rainy days is February (14.8 days).
Average daylight in September /
Average sunshine in September
Cul-de-Sac, Saint Martin
- 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 6min).
- Average sunshine in September: 9h and 2min
The month with the most sunshine is August (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
Cul-de-Sac, Saint Martin
- Average sunshine days in September: 3.9 days
The month with the most sunshine days is March (9.9 days).
The month with the least sunshine days is August (1.7 days).
Average UV index in September
Cul-de-Sac, Saint Martin
- Average UV index in September: 7
The months with the highest UV index are January, February, March, April, May, June, July, August, September, October and November (UV index 7).
The month with the lowest UV index is December (UV index 6).
Average cloud cover in September
Cul-de-Sac, Saint Martin
- Average cloud cover in September: 37
The months with the most cloud cover are May, June and August (Cloud cover 42).
The months with the least cloud cover are February and March (Cloud cover 34).
Average visibility in September
Cul-de-Sac, Saint Martin
- 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).
Cul-de-Sac, Saint Martin
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