September weather forecastYanfolila, Mali
September
Weather in September
September, the first month of the autumn in Yanfolila, is still a hot month, with temperature in the range of an average low of 21.9°C (71.4°F) and an average high of 31.5°C (88.7°F).Temperature
With the onset of September, the average high-temperature registers at a still tropical 31.5°C (88.7°F), subtly different from August's 30.1°C (86.2°F). An average low-temperature of 21.9°C (71.4°F) marks the month of September.Heat index
For September, the heat index is calculated to be an extremely hot 42°C (107.6°F). Adopt special protective actions against heat exhaustion and heat cramps. Long-duration activity risks heatstroke.Evaluating the heat index requires understanding its values in the shade and with gentle winds. Direct exposure to sunlight could raise the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'apparent temperature', is a fusion of air temperature and moisture levels to demonstrate the sensation of heat. An individual's perception of weather can be influenced by a variety of factors including metabolic differences, being pregnant, and their degree of physical exertion. Direct sunlight can potentially raise the heat index by 15 Fahrenheit (8 Celsius) degrees, so it's crucial to consider. Heat index values hold particular importance for children. Children regularly disregard the necessity to rest and replenish fluids. Thirst is a late symptom of dehydration - thus, maintaining hydration, particularly during long-lasting physical activities, is essential.
When temperatures rise, the human body turns to perspiration, using the cooling power of evaporating sweat. An upsurge in relative humidity affects normal body cooling mechanisms by slowing evaporation, hence reducing the rate at which the body cools and intensifying the perception of heat. Overheating and dehydration threats arise when heat gain goes beyond what the body can comfortably shed.
Humidity
In Yanfolila, the average relative humidity in September is 79%.Rainfall
In September, the rain falls for 19.5 days. Throughout September, 101mm (3.98") of precipitation is accumulated. In Yanfolila, during the entire year, the rain falls for 114.2 days and collects up to 591mm (23.27") of precipitation.Daylight
In September, the average length of the day in Yanfolila is 12h and 11min.On the first day of September in Yanfolila, sunrise is at 06:22 and sunset at 18:42. On the last day of the month, sunrise is at 06:21 and sunset at 18:23 GMT.
Sunshine
In September, the average sunshine in Yanfolila is 8.7h.UV index
In Yanfolila, the average daily maximum UV index in September is 7. A UV Index reading of 6 to 7 represents a high threat to health from exposure to the Sun's UV rays for ordinary individuals.Note: In September, the UV index of 7 transforms into the following advice:
Use protective steps and abide by sun safety guidelines. Safeguarding against skin and eye harm is necessary. The Sun's UV radiation is most potent between the hours of 10 a.m. and 4 p.m. Try to avoid direct sunlight during this time. To cut down UV radiation exposure by about half, sport a wide-brim hat.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Yanfolila, 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
Yanfolila, 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
Yanfolila, 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
Yanfolila, 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
Yanfolila, 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
Yanfolila, 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
Yanfolila, 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
Yanfolila, 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
Yanfolila, 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
Yanfolila, 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
Yanfolila, 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).
