September weather forecastKolondieba, Mali
September
Weather in September
The first month of the autumn, September, is still a tropical month in Kolondieba, Mali, with an average temperature fluctuating between 31.5°C (88.7°F) and 21.9°C (71.4°F).Temperature
The arrival of September sees a recorded average high-temperature of a still tropical 31.5°C (88.7°F), showing little divergence from the previous month's conditions. An average low-temperature of 21.9°C (71.4°F) is noted during the month of September.Heat index
September's average heat index is evaluated at a blisteringly hot 42°C (107.6°F). Exercise enhanced safety steps, heat cramps and heat exhaustion are probable. Heatstroke could be a result of sustained activity.Heat index evaluations are typically in the context of light winds and shaded environments. Direct sunlight exposure may cause a 15 Fahrenheit (8 Celsius) degrees rise in the heat index.
Note: The heat index, also known as 'felt air temperature' or 'feels like', joins air temperature with relative humidity to produce a temperature perception for humans. One's weather perception can be influenced by a range of factors including metabolic differences, being pregnant, and their level of physical activity. With direct sunlight, be aware that it might enhance the heat sensation, raising the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are quite important for babies and toddlers. Children often fail to recognize the requirement to rest and rehydrate. Thirst, being a late symptom of dehydration, underlines the importance of maintaining hydration, especially during ongoing physical activities.
The natural cooling mechanism in humans involves perspiration, where the evaporation of sweat balances out excessive warmth. During high air temperature and humidity (high heat index), the process of perspiration is hindered, intensifying the sensation of heat. When heat gain exceeds the level the body can remove, body temperature begins to rise, and heat-related illnesses and disorders may develop.
Humidity
In Kolondieba, the average relative humidity in September is 79%.Rainfall
In Kolondieba, during September, the rain falls for 19.5 days and regularly aggregates up to 101mm (3.98") of precipitation. In Kolondieba, during the entire year, the rain falls for 114.2 days and collects up to 591mm (23.27") of precipitation.Daylight
In Kolondieba, the average length of the day in September is 12h and 11min.On the first day of September, sunrise is at 06:17 and sunset at 18:37. On the last day of the month, sunrise is at 06:16 and sunset at 18:18 GMT.
Sunshine
In September, the average sunshine is 8.7h.UV index
The average daily maximum UV index in September is 7. A UV Index of 6 to 7 symbolizes a high health risk from exposure to the Sun's UV rays for the average person.Note: The daily high UV index of 7 in September translates into this advice:
Deflect overexposure. Sun protection is a necessity. Minimize exposure to direct sunlight and seek shade from 10 a.m. to 4 p.m., when UV radiation is most intense, but remember that shade structures may not offer complete protection. In bright sunlight, prioritize sunglasses that grant protection from UVA and UVB radiation.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Kolondieba, Mali
- Average high temperature in September: 31.5°C
The warmest month (with the highest average high temperature) is April (40.7°C).
The month with the lowest average high temperature is August (30.1°C).
- Average low temperature in September: 21.9°C
The month with the highest average low temperature is April (26.9°C).
The coldest month (with the lowest average low temperature) is December (19.1°C).
Average pressure in September
Kolondieba, Mali
- Average pressure in September: 1012.2mbar
The month with the highest atmospheric pressure is August (1012.3mbar).
The month with the lowest atmospheric pressure is April (1008.3mbar).
Average wind speed in September
Kolondieba, Mali
- Average wind speed in September: 5.9km/h
The windiest month (with the highest average wind speed) is January (9.3km/h).
The calmest month (with the lowest average wind speed) is September (5.9km/h).
Average humidity in September
Kolondieba, Mali
- Average humidity in September: 79%
The month with the highest relative humidity is August (83%).
The months with the lowest relative humidity are January and February (15%).
Average rainfall in September
Kolondieba, Mali
- Average rainfall in September: 101mm
The wettest month (with the highest rainfall) is August (192mm).
The driest month (with the least rainfall) is December (0mm).
Average rainfall days in September
Kolondieba, Mali
- Average rainfall days in September: 19.5 days
The month with the highest number of rainy days is August (24.5 days).
The month with the least rainy days is December (0.1 days).
Average daylight in September /
Average sunshine in September
Kolondieba, 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 30min).
- Average sunshine in September: 8h and 42min
The months with the most sunshine are February and November (Average sunshine: 9h and 54min).
The month with the least sunshine is August (Average sunshine: 7h and 12min).
Average sunshine days in September
Kolondieba, Mali
- Average sunshine days in September: 8.6 days
The month with the most sunshine days is December (30.9 days).
The month with the least sunshine days is August (5.4 days).
Average UV index in September
Kolondieba, Mali
- Average UV index in September: 7
The months with the highest UV index are February, March, April and May (UV index 8).
The month with the lowest UV index is August (UV index 6).
Average cloud cover in September
Kolondieba, Mali
- Average cloud cover in September: 37
The month with the most cloud cover is August (Cloud cover 51).
The month with the least cloud cover is December (Cloud cover 7).
Average visibility in September
Kolondieba, 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).





