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
In Rivière-Salée, September records the highest average temperatures, peaking at 29.3°C (84.7°F) and reaching a low of 27°C (80.6°F).Heat index
The average heat index in September is estimated at a tropical 34°C (93.2°F). Exercise increased caution, heat cramps and heat exhaustion are potential hazards. Continuous activity could lead to heatstroke.Heat index evaluations are typically in the context of light winds and shaded environments. A rise of up to 15 Fahrenheit (8 Celsius) degrees in the heat index could result from direct sunlight.
Note: The heat index, also known as 'felt air temperature' or 'apparent temperature', is a fusion of air temperature and moisture levels to demonstrate the sensation of heat. The experience of temperature can be subjective, varying based on the individual's activity and heat perception, influenced by factors like wind, attire, and metabolic variations. 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. Young ones often disregard the necessity to rest and hydrate. Thirst usually indicates advanced dehydration - hence, it is key to stay hydrated, particularly during ongoing physical activities.
Humidity
In Rivière-Salée, the average relative humidity in September is 75%.Rainfall
September is the month with the most rainfall. Rain falls for 21.8 days and accumulates 86mm (3.39") of precipitation.Daylight
In September, the average length of the day is 12h and 13min.On the first day of September, sunrise is at 05:51 and sunset at 18:15. On the last day of the month, sunrise is at 05:53 and sunset at 17:53 AST.
Sunshine
In Rivière-Salée, the average sunshine in September is 9.8h.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 of 6 to 7 symbolizes a high health vulnerability from exposure to the Sun's UV radiation for the ordinary person.Note: The maximum UV index of 7 during September leads to these instructions:
Fend off overexposure. Sun protection is vital. Remember that the sun's UV radiation is strongest between 10 a.m. and 4 p.m. Make an effort to avoid direct sun exposure during these hours. Using UVA and UVB-protective sunglasses and sun-protective clothing is effective against UV radiation.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What time of the year is the hottest in Rivière-Salée?
Is it hot during September?
What is the average humidity in September?
What is the wettest month?
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?
What is the month with the highest UV index?
What is the month with the lowest UV index in Rivière-Salée?
What is the UV index intensity in September in Rivière-Salée?
Average temperature in September
Rivière-Salée, Martinique
- Average high temperature in September: 29.3°C
The warmest month (with the highest average high temperature) is September (29.3°C).
The month with the lowest average high temperature is February (26.8°C).
- Average low temperature in September: 27°C
The months with the highest average low temperature are August and October (27.3°C).
The coldest month (with the lowest average low temperature) is March (24.8°C).
Average pressure in September
Rivière-Salée, Martinique
- Average pressure in September: 1012.7mbar
The month with the highest atmospheric pressure is June (1015.3mbar).
The month with the lowest atmospheric pressure is November (1011.7mbar).
Average wind speed in September
Rivière-Salée, Martinique
- Average wind speed in September: 18.6km/h
The windiest month (with the highest average wind speed) is January (26.2km/h).
The calmest month (with the lowest average wind speed) is September (18.6km/h).
Average humidity in September
Rivière-Salée, Martinique
- Average humidity in September: 75%
The month with the highest relative humidity is November (77%).
The months with the lowest relative humidity are January, February and March (74%).
Average rainfall in September
Rivière-Salée, Martinique
- Average rainfall in September: 86mm
The wettest month (with the highest rainfall) is September (86mm).
The driest months (with the least rainfall) are February and March (25mm).
Average rainfall days in September
Rivière-Salée, Martinique
- Average rainfall days in September: 21.8 days
The month with the highest number of rainy days is August (24 days).
The month with the least rainy days is March (17 days).
Average daylight in September /
Average sunshine in September
Rivière-Salée, Martinique
- Average daylight in September: 12h and 1min
The month with the longest days is June (Average daylight: 13h and 0min).
The month with the shortest days is December (Average daylight: 11h and 18min).
- Average sunshine in September: 9h and 5min
The month with the most sunshine is August (Average sunshine: 10h and 12min).
The month with the least sunshine is December (Average sunshine: 6h and 24min).
Average sunshine days in September
Rivière-Salée, Martinique
- Average sunshine days in September: 4.3 days
The month with the most sunshine days is March (6.3 days).
The month with the least sunshine days is November (1.6 days).
Average UV index in September
Rivière-Salée, Martinique
- 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
Rivière-Salée, Martinique
- Average cloud cover in September: 39
The month with the most cloud cover is June (Cloud cover 46).
The month with the least cloud cover is February (Cloud cover 36).
Average visibility in September
Rivière-Salée, Martinique
- 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).
Rivière-Salée, Martinique
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