September weather forecastDucos, Martinique
September
Weather in September
September in Ducos, Martinique observes a continuation of August's climate attributes with 81mm (3.19") rainfall. The transition of seasons is marked by a progressive reduction in daylight hours while temperature levels remain fairly consistent. A decline in wind speed accompanies the shifting weather dynamics, evoking a serene atmosphere. The abundant rainfall in this month doesn't hamper the vibrant outdoor activities that Ducos notoriously offers. An anticipatory decrease in rainfall is observed going into October, indicating the slow secession of the year's wet season.Temperature
The warmest temperatures in Ducos occur during September, when averages reach a peak of 29.4°C (84.9°F) and a low of 27.3°C (81.1°F).Heat index
For most parts of September, the heat index is estimated at a very hot 35°C (95°F). Use additional protective measures, heat cramps and heat exhaustion are possible outcomes. Continuous activity might lead to heatstroke.Realize that the values for the heat index are set for shaded places and light winds. Being exposed to direct sunshine might trigger a heat index increase by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'apparent temperature', determines the feeling of heat when you account for the relative humidity. An individual's perception of weather can be affected by a variety of elements including metabolic differences, being pregnant, and their level of physical exertion. One should be aware that direct sunshine can amplify the perceived temperature, raising the heat index by as much as 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly important for children. 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.
When temperatures rise, the human body turns to perspiration, using the cooling power of evaporating sweat. When air moisture content is high, the cooling process through evaporation is not as efficient, leading to an ineffective body cooling process and a feeling of overheating. Heat-related disorders may develop if heat gain in the body overshadows its cooling capacity, leading to elevated temperatures.
Humidity
The average relative humidity in September is 75%.Rainfall
In Ducos, in September, during 21.1 rainfall days, 81mm (3.19") of precipitation is typically accumulated. Throughout the year, there are 251.6 rainfall days, and 667mm (26.26") of precipitation is accumulated.Daylight
The average length of the day in September 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 September, the average sunshine is 10.1h.UV index
January through December, with an average maximum UV index of 7, are months with the highest UV index. January through December, with an average maximum UV index of 7, are months with the lowest UV index. A UV Index reading of 6 to 7 represents a high health hazard from exposure to the Sun's UV rays for the average person.Note: A daily high UV index of 7 in September leads to these guidelines:
Resist extreme sun exposure. Guarding against solar damage is essential. Try to minimize direct Sun exposure between 10 a.m. and 4 p.m., the peak period for UV radiation. Also note that objects like parasols or canopies might not provide complete sun protection. It's wise to wear UVA and UVB-blocking sunglasses when the sun shines brightly.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Ducos, Martinique
- Average high temperature in September: 29.4°C
The warmest month (with the highest average high temperature) is September (29.4°C).
The month with the lowest average high temperature is February (26.8°C).
- Average low temperature in September: 27.3°C
The months with the highest average low temperature are August, September and October (27.3°C).
The coldest month (with the lowest average low temperature) is March (24.8°C).
Average pressure in September
Ducos, 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
Ducos, Martinique
- Average wind speed in September: 19km/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 (19km/h).
Average humidity in September
Ducos, 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
Ducos, Martinique
- Average rainfall in September: 81mm
The wettest month (with the highest rainfall) is November (85mm).
The driest months (with the least rainfall) are February and March (25mm).
Average rainfall days in September
Ducos, Martinique
- Average rainfall days in September: 21.1 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
Ducos, Martinique
- Average daylight in September: 12h and 12min
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: 10h and 6min
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
Ducos, Martinique
- Average sunshine days in September: 4.7 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
Ducos, 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
Ducos, Martinique
- Average cloud cover in September: 37
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
Ducos, 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).





