September weather forecast
Koulikoro, Mali

September in Koulikoro, Mali signals the withdrawal of the rains, which declines significantly from August levels, dropping to an average of 82mm (3.23"). A notable shift from the heavy rains of the previous month brings back extensive sunshine, with average daily sunshine reaching nine hours. The weather starts moving towards reduced cloud cover leading to clearer skies. September’s much cooler evenings offer a welcome respite from the otherwise hot and humid days pervasive during the rainy season. The lower temperatures and departing monsoons create ideal conditions to explore this subtropical African city.

Temperature

As August turns into September, the average high-temperatures rest at a still tropical 32.5°C (90.5°F), showing a minor variation from the prior month. Koulikoro usually reports an average low-temperature of 22.5°C (72.5°F) during the month of September.

Heat index

For most parts of September, the 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.
Heat index determinations are made taking into account the shade and light air movements. Being under direct sunlight might amplify the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'apparent temperature', is found by incorporating humidity levels into the air temperature measurement. Factors encompassing physical activity, clothing, and metabolic differences have a role in shaping the individual's impression of temperature. Understand that direct sun rays can influence the weather's impact, leading to an increase in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are essentially critical for children. Juveniles are regularly less conscious of the need to recuperate and rehydrate. Thirst is a tardy symptom of dehydration - hydration, especially during lengthy physical activities, should be maintained.
One way the human body deals with excessive warmth is by perspiring and allowing sweat to evaporate. Under high air temperature coupled with high humidity (high heat index), the body's perspiration is reduced, intensifying the sensation of heat. Temperature imbalances caused by excessive heat retention can trigger heat-related maladies.

Humidity

In Koulikoro, the average relative humidity in September is 74%.

Rainfall

In Koulikoro, in September, it is raining for 14.3 days, with typically 82mm (3.23") of accumulated precipitation. Throughout the year, there are 79.9 rainfall days, and 400mm (15.75") of precipitation is accumulated.

Daylight

The average length of the day in September in Koulikoro is 12h and 12min.
On the first day of September, sunrise is at 06:19 and sunset at 18:40. On the last day of the month, sunrise is at 06:19 and sunset at 18:20 GMT.

Sunshine

In September, the average sunshine is 9h.

UV index

In September, the average daily maximum UV index in Koulikoro is 7. A UV Index reading of 6 to 7 represents a high health vulnerability from unprotected exposure to Sun's UV rays for the ordinary person.
Note: The maximum UV index, 7 during September, leads to the following recommendations:
Act on precautions and pay attention to sun safety recommendations. Avoidance of sunburn is obligatory. Avoid direct Sun exposure from 10 a.m. to 4 p.m., a period when UV radiation is most intense, and remember that not all shade structures provide full protection. Using UVA and UVB-protective sunglasses and sun-protective clothing is effective against UV radiation.