September weather forecast
Kayes, Mali

As the monsoon season in Kayes starts to recede, September showcases a marked decline in rainfall to 49mm (1.93"). Nonetheless, the average temperature of 25.5°C (77.9°F) to 34.8°C (94.6°F) and high humidity maintain a semblance of the rainy season. Similarly, wind speeds present a noticeable reduction compared to the previous months. With returning cloud-less skies presenting more sunshine days, September stands as a transition month from the rainy to the dry period.

Temperature

Kayes's September average high-temperature settles at a still tropical 34.8°C (94.6°F), showing a near match with the preceding month. Kayes records an average nighttime low-temperature of 25.5°C (77.9°F) throughout September.

Heat index

The heat index value during September is evaluated at a burning hot 47°C (116.6°F). Watchful: Heat cramps and heat exhaustion are predicted. Continued exertion could lead to heatstroke.
Realize that the values for the heat index are set for shaded places and light winds. Exposure to direct sunlight may make the heat index values climb by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'feels like', is derived by integrating air temperature with the existing relative humidity to express the perceived warmth. The experience of temperature can be subjective, varying based on the individual's activity and heat perception, influenced by factors like wind, attire, and metabolic variations. Keep in mind that direct sunshine exposure can amplify the weather's effects, possibly increasing the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are largely significant for babies and toddlers. 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 is the body's default response to elevated temperatures, as it promotes the evaporation of sweat to achieve cooling. In circumstances of high air temperature and humidity (high heat index), the body's perspiration is restricted, heightening the feeling of warmth. Temperature imbalances caused by excessive heat retention can trigger heat-related maladies.

Humidity

The average relative humidity in September in Kayes is 66%.

Rainfall

In Kayes, Mali, in September, during 13.8 rainfall days, 49mm (1.93") of precipitation is typically accumulated. In Kayes, during the entire year, the rain falls for 64 days and collects up to 256mm (10.08") of precipitation.

Daylight

In Kayes, the average length of the day in September is 12h and 13min.
On the first day of the month, sunrise is at 06:33 and sunset at 18:57. On the last day of September, sunrise is at 06:35 and sunset at 18:35 GMT.

Sunshine

In Kayes, the average sunshine in September is 9.2h.

UV index

The average daily maximum UV index in September in Kayes is 8. A UV Index estimate of 8 to 10 represents a very high health risk from exposure to the Sun's UV rays for average individuals.
Note: A maximum high daily UV index of 8 during September translates into the following directions:
Act with caution. Neglecting protection can lead to skin and eye damage in moments. Be aware that the sun's UV radiation is strongest between 10 a.m. and 4 p.m. and try to reduce direct sun exposure during this period as much as possible. Clothes that are both tight-knit and comfortably loose are prime choices for sun protection.