September weather forecastKassama, Mali
September
Weather in September
September, the first month of the autumn in Kassama, is also a hot month, with an average temperature ranging between min 22.9°C (73.2°F) and max 31.7°C (89.1°F).Temperature
Kassama, Mali, experiences a subtle adjustment in high-temperatures to a still tropical 31.7°C (89.1°F) with the onset of September, maintaining near parity with August's 30.8°C (87.4°F). September witnesses an average nighttime temperature of 22.9°C (73.2°F).Heat index
In September, the average heat index is computed to be an extremely hot 44°C (111.2°F). Be prepared: Heat cramps and heat exhaustion are probable. Continued activity may lead to heatstroke.Take note of the fact that heat index values are based on shaded circumstances with light airflows. Direct sunlight might lead to a heat index increase by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'real feel', gives a temperature feeling by integrating air temperature and humidity. A person's impression of weather can be affected by numerous aspects, among them metabolic variations, pregnancy, and activity levels. Direct sun rays can make one feel hotter, potentially raising the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially crucial for babies and toddlers. Kids are generally in more danger than adults because they perspire less. Their large skin surface area compared to their small bodies and the excessive heat due to their actions raises their risk.
Perspiring is the body's way of cooling down, particularly by allowing sweat to evaporate and take the heat with it. Augmented relative humidity impedes typical body cooling mechanisms by lowering the evaporation rate, resulting in decreased body cooling and an amplified perception of heat. When the heat gained surpasses the body's cooling capacity, temperatures rise, signaling potential health concerns.
Humidity
The average relative humidity in September in Kassama is 81%.Rainfall
In Kassama, in September, during 23.6 rainfall days, 126mm (4.96") of precipitation is typically accumulated. In Kassama, during the entire year, the rain falls for 113 days and collects up to 627mm (24.69") of precipitation.Daylight
The average length of the day in September is 12h and 12min.On the first day of the month, sunrise is at 06:33 and sunset at 18:55. On the last day of September, in Kassama, sunrise is at 06:33 and sunset at 18:34 GMT.
Sunshine
The average sunshine in September is 8.6h.UV index
In September, the average daily maximum UV index in Kassama is 7. A UV Index reading of 6 to 7 represents a high threat to health from unprotected exposure to Sun's UV rays for ordinary individuals.Note: A maximum UV index of 7 in September translates into the following recommendations:
Endorse precautions and be consistent with sun safety guidelines. Preventing sunburn is paramount. Avoid direct exposure to the Sun between 10 a.m. and 4 p.m., the peak period for UV radiation, noting that objects like parasols or canopies might not offer complete sun protection. A hat with a broad brim is indispensable, filtering out up to half of UV rays.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Kassama, Mali
- Average high temperature in September: 31.7°C
The warmest month (with the highest average high temperature) is April (42.7°C).
The month with the lowest average high temperature is August (30.8°C).
- Average low temperature in September: 22.9°C
The month with the highest average low temperature is May (28.3°C).
The coldest month (with the lowest average low temperature) is January (17.8°C).
Average pressure in September
Kassama, Mali
- Average pressure in September: 1012.3mbar
The month with the highest atmospheric pressure is January (1012.5mbar).
The month with the lowest atmospheric pressure is April (1008.7mbar).
Average wind speed in September
Kassama, Mali
- Average wind speed in September: 5.1km/h
The windiest months (with the highest average wind speed) are February and June (8.1km/h).
The calmest months (with the lowest average wind speed) are September and October (5.1km/h).
Average humidity in September
Kassama, Mali
- Average humidity in September: 81%
The month with the highest relative humidity is August (83%).
The month with the lowest relative humidity is February (15%).
Average rainfall in September
Kassama, Mali
- Average rainfall in September: 126mm
The wettest month (with the highest rainfall) is August (213mm).
The driest months (with the least rainfall) are January, March and December (0mm).
Average rainfall days in September
Kassama, Mali
- Average rainfall days in September: 23.6 days
The month with the highest number of rainy days is August (26 days).
The month with the least rainy days is December (0.2 days).
Average daylight in September /
Average sunshine in September
Kassama, Mali
- Average daylight in September: 12h and 12min
The month with the longest days is June (Average daylight: 12h and 54min).
The month with the shortest days is December (Average daylight: 11h and 24min).
- Average sunshine in September: 8h and 36min
The months with the most sunshine are February, March and April (Average sunshine: 9h and 54min).
The month with the least sunshine is August (Average sunshine: 7h and 18min).
Average sunshine days in September
Kassama, Mali
- Average sunshine days in September: 4.4 days
The month with the most sunshine days is December (30.8 days).
The month with the least sunshine days is August (3.5 days).
Average UV index in September
Kassama, Mali
- Average UV index in September: 7
The months with the highest UV index are March, April, May and June (UV index 8).
The month with the lowest UV index is August (UV index 6).
Average cloud cover in September
Kassama, Mali
- Average cloud cover in September: 34
The month with the most cloud cover is August (Cloud cover 49).
The month with the least cloud cover is March (Cloud cover 6).
Average visibility in September
Kassama, Mali
- Average visibility in September: 8km
The months with the highest visibility are January, February, March, April, May, June, October, November and December (10km).
The months with the lowest visibility are August and September (8km).





