September weather forecastDouentza, Mali
September
Weather in September
In September, Douentza sees a considerable reduction in rainfall compared to August, dipping down to 16mm (0.63"). The temperature holds steady at a peak of 38.2°C (100.8°F), only slightly higher than the preceding month. The cloud cover reduces significantly, paving the way for clearer skies. Long daylight hours continue, making it the perfect time for sightseeing or exploring the city. Wind speed decreases from the previous month, thereby minimizing its cooling effect.Temperature
September's advent presents an average high-temperature of a still sweltering 38.2°C (100.8°F), indicating a slight variation from the conditions of the previous month. Nighttime temperatures in Douentza consistently average a moderately hot 29.4°C (84.9°F) during September.Humidity
In Douentza, the average relative humidity in September is 35%.Rainfall
In September, the rain falls for 6.7 days. Throughout September, 16mm (0.63") of precipitation is accumulated. Throughout the year, there are 44.6 rainfall days, and 141mm (5.55") of precipitation is accumulated.Daylight
In September, the average length of the day is 12h and 13min.On the first day of the month, sunrise is at 05:59 and sunset at 18:23. On the last day of September, sunrise is at 06:01 and sunset at 18:01 GMT.
Sunshine
The average sunshine in September is 11.6h.UV index
The months with the highest UV index are April through June and September, with an average maximum UV index of 9. A UV Index reading of 8 to 10 represents a very high health risk from unsafe exposure to UV radiation for the ordinary person.Note: The maximum daily UV index of 9 during September translates into the following directions:
Take special precautions, as unprotected eyes and skin can be burned and damaged quickly. Seek shade and limit direct Sun exposure between 10 a.m. and 4 p.m., when UV radiation is at its peak, but be aware that not all shade structures provide complete sun protection. Safeguard your eyes, ears, and face from sun rays with the aid of a wide-brim hat. Every two hours, apply and reapply an SPF 30+ broad-spectrum sunscreen, especially after swimming or engaging in outdoor activities.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Douentza, Mali
- Average high temperature in September: 38.2°C
The warmest month (with the highest average high temperature) is May (42.2°C).
The month with the lowest average high temperature is January (31.3°C).
- Average low temperature in September: 29.4°C
The month with the highest average low temperature is June (31.6°C).
The coldest month (with the lowest average low temperature) is January (15.8°C).
Average pressure in September
Douentza, Mali
- Average pressure in September: 1010mbar
The month with the highest atmospheric pressure is January (1014.2mbar).
The month with the lowest atmospheric pressure is May (1007.6mbar).
Average wind speed in September
Douentza, Mali
- Average wind speed in September: 11.5km/h
The windiest month (with the highest average wind speed) is July (14.8km/h).
The calmest month (with the lowest average wind speed) is October (10.4km/h).
Average humidity in September
Douentza, Mali
- Average humidity in September: 35%
The month with the highest relative humidity is August (44%).
The month with the lowest relative humidity is March (11%).
Average rainfall in September
Douentza, Mali
- Average rainfall in September: 16mm
The wettest month (with the highest rainfall) is August (72mm).
The driest months (with the least rainfall) are January, March, November and December (0mm).
Average rainfall days in September
Douentza, Mali
- Average rainfall days in September: 6.7 days
The month with the highest number of rainy days is August (13.3 days).
The months with the least rainy days are January and December (0 days).
Average daylight in September /
Average sunshine in September
Douentza, Mali
- 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: 11h and 36min
The months with the most sunshine are May and June (Average sunshine: 12h and 6min).
The month with the least sunshine is December (Average sunshine: 7h and 30min).
Average sunshine days in September
Douentza, Mali
- Average sunshine days in September: 21 days
The month with the most sunshine days is December (30.9 days).
The month with the least sunshine days is July (15.2 days).
Average UV index in September
Douentza, Mali
- Average UV index in September: 9
The months with the highest UV index are April, May, June and September (UV index 9).
The months with the lowest UV index are January and December (UV index 6).
Average cloud cover in September
Douentza, Mali
- Average cloud cover in September: 15
The month with the most cloud cover is August (Cloud cover 24).
The month with the least cloud cover is November (Cloud cover 6).
Average visibility in September
Douentza, Mali
- 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).





