September weather forecastOuelessebougou, Mali
September
Weather in September
The first month of the autumn, September, is also a hot month in Ouelessebougou, Mali, with an average temperature varying between 22.5°C (72.5°F) and 32.5°C (90.5°F).Temperature
The shift into September records an average high-temperature of a still hot 32.5°C (90.5°F), subtly varied from August's 30.8°C (87.4°F). During September, the average low-temperature in Ouelessebougou is a pleasant 22.5°C (72.5°F).Heat index
The heat index for September is computed to be a blistering 44°C (111.2°F). Alert: Heat cramps and heat exhaustion are likely to occur. Prolonged exertion can lead to heatstroke.One should be cognizant that the heat index values are tailored for shaded spots and mild winds. Facing direct sunlight may hike up the heat index 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. This effect is personal, influenced by the individual's physical activity and heat sensitivity, shaped by factors including wind, attire, and metabolic variations. By being directly under the sun, it's possible for the felt temperature to increase by 15 Fahrenheit (8 Celsius) degrees. Heat index values hold particular significance for children. Young ones generally face higher dangers than adults since they sweat less. Along with their large skin surface area compared totheir small bodies and increased heat production from their activities, the risks are heightened.
Perspiration, followed by sweat evaporation, is the human body's chief method to maintain a balanced temperature. With a lot of moisture in the air, the evaporation process is not as effective, and the body does not cool down as efficiently, creating a perception of overheating. The body is at risk of dehydration and related complications when it fails to shed excessive heat.
Humidity
In Ouelessebougou, the average relative humidity in September is 74%.Rainfall
In September, the rain falls for 14.3 days. Throughout September, 82mm (3.23") of precipitation is accumulated. In Ouelessebougou, during the entire year, the rain falls for 79.9 days and collects up to 400mm (15.75") of precipitation.Daylight
In Ouelessebougou, the average length of the day in September is 12h and 11min.On the first day of September in Ouelessebougou, sunrise is at 06:21 and sunset at 18:41. On the last day of the month, sunrise is at 06:20 and sunset at 18:22 GMT.
Sunshine
In September, the average sunshine in Ouelessebougou is 9h.UV index
In Ouelessebougou, the average daily maximum UV index in September is 7. A UV Index estimate of 6 to 7 represents a high health risk from unsafe exposure to UV radiation for ordinary individuals.Note: The UV index of 7 during September leads to these advisories:
Steer clear of overexposure. Fair-skinned individuals can be scorched in less than 20 minutes. Avoid direct sunlight between the hours of 10 a.m. and 4 p.m., when UV radiation is at its peak. Keep in mind that shade structures may not provide complete protection. Tightly woven clothing, when worn loosely, shields effectively against the Sun.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Ouelessebougou, Mali
- Average high temperature in September: 32.5°C
The warmest month (with the highest average high temperature) is April (41.1°C).
The month with the lowest average high temperature is August (30.8°C).
- Average low temperature in September: 22.5°C
The month with the highest average low temperature is May (28.2°C).
The coldest month (with the lowest average low temperature) is January (17.8°C).
Average pressure in September
Ouelessebougou, Mali
- Average pressure in September: 1011.9mbar
The month with the highest atmospheric pressure is January (1012.7mbar).
The month with the lowest atmospheric pressure is April (1008.1mbar).
Average wind speed in September
Ouelessebougou, Mali
- Average wind speed in September: 6.2km/h
The windiest month (with the highest average wind speed) is February (10km/h).
The calmest month (with the lowest average wind speed) is September (6.2km/h).
Average humidity in September
Ouelessebougou, Mali
- Average humidity in September: 74%
The month with the highest relative humidity is August (79%).
The month with the lowest relative humidity is February (14%).
Average rainfall in September
Ouelessebougou, Mali
- Average rainfall in September: 82mm
The wettest month (with the highest rainfall) is August (137mm).
The driest month (with the least rainfall) is December (0mm).
Average rainfall days in September
Ouelessebougou, Mali
- Average rainfall days in September: 14.3 days
The month with the highest number of rainy days is August (21.8 days).
The month with the least rainy days is December (0 days).
Average daylight in September /
Average sunshine in September
Ouelessebougou, Mali
- Average daylight in September: 12h and 12min
The month with the longest days is June (Average daylight: 12h and 48min).
The month with the shortest days is December (Average daylight: 11h and 24min).
- Average sunshine in September: 9h and 0min
The months with the most sunshine are March, April and November (Average sunshine: 9h and 54min).
The month with the least sunshine is August (Average sunshine: 7h and 54min).
Average sunshine days in September
Ouelessebougou, Mali
- Average sunshine days in September: 13.8 days
The month with the most sunshine days is December (31 days).
The month with the least sunshine days is August (8.5 days).
Average UV index in September
Ouelessebougou, Mali
- Average UV index in September: 7
The month with the highest UV index is April (UV index 9).
The month with the lowest UV index is December (UV index 6).
Average cloud cover in September
Ouelessebougou, Mali
- Average cloud cover in September: 30
The month with the most cloud cover is August (Cloud cover 43).
The month with the least cloud cover is December (Cloud cover 7).
Average visibility in September
Ouelessebougou, Mali
- Average visibility in September: 9km
The months with the highest visibility are January, February, March, April, May, June, July, October, November and December (10km).
The months with the lowest visibility are August and September (9km).





