September weather forecastDierila, Mali
September
Weather in September
September, the first month of the autumn in Dierila, is still a hot month, with an average temperature fluctuating between 31.5°C (88.7°F) and 21.9°C (71.4°F).Temperature
Dierila, Mali, observes a minor difference in average high-temperatures between August's 30.1°C (86.2°F) and September's 31.5°C (88.7°F). Nighttime temperature dips to a mean of 21.9°C (71.4°F) during September.Heat index
For September, the heat index is computed to be a blisteringly hot 42°C (107.6°F). Incorporate additional preventive steps, heat exhaustion and heat cramps are possible. Long-lasting activity may cause heatstroke.The standards for the heat index are set for locations in shade and under light breezes. The direct sun can potentially cause the heat index to increase by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'real feel', is the outcome of merging air's temperature and its humidity metrics. One's weather perception can be influenced by a range of factors including metabolic differences, being pregnant, and their level of physical activity. It is important to note that direct sunlight can intensify the weather impact, potentially raising the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values hold particular importance for children. Young ones often underestimate the need for rest and rehydration. Thirst appears late in dehydration - hence, it is important to keep hydrated, particularly during prolonged physical activities.
The human body normally cools itself by perspiration, as evaporated sweat carries heat away from the body. Under conditions of increased relative humidity, the evaporation rate lessens, causing the body to retain more heat than under less humid conditions. When heat gain surpasses the level the body can shed, body temperature begins to increase, and consequently, overheating and dehydration can occur, with varying severity.
Humidity
In September, the average relative humidity is 79%.Rainfall
In Dierila, in September, during 19.5 rainfall days, 101mm (3.98") of precipitation is typically accumulated. In Dierila, during the entire year, the rain falls for 114.2 days and collects up to 591mm (23.27") of precipitation.Daylight
In Dierila, the average length of the day in September is 12h and 11min.On the first day of the month, sunrise is at 06:20 and sunset at 18:40. On the last day of September, in Dierila, sunrise is at 06:19 and sunset at 18:21 GMT.
Sunshine
In September, the average sunshine is 8.7h.UV index
In September, the average daily maximum UV index is 7. A UV Index value of 6 to 7 symbolizes a high health risk from unsafe exposure to UV radiation for average individuals.Note: In September, the maximum UV index of 7 transforms into these recommendations:
Persist in precautions and follow sun safety policies. Keeping sunburn at bay is imperative. The Sun's UV radiation is most potent between 10 a.m. and 4 p.m. Try to limit direct exposure to the Sun during this period. Combat UV radiation's detrimental effects with sun-safe clothing and UV-blocking eyewear.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Dierila, 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
Dierila, 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
Dierila, 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
Dierila, 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
Dierila, 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
Dierila, 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
Dierila, 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
Dierila, 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
Dierila, 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
Dierila, 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
Dierila, 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).





