September weather forecastNampala, Mali
September
Weather in September
The first month of the autumn, September, is still a very hot month in Nampala, Mali, with temperature in the range of an average high of 37.2°C (99°F) and an average low of 27.6°C (81.7°F).Temperature
With the transition into September, Nampala notes an average high-temperature of a still fiery hot 37.2°C (99°F), closely resembling August. During September, the average low-temperature in Nampala is a moderately hot 27.6°C (81.7°F).Heat index
In September, the average heat index is evaluated at a scorching 44°C (111.2°F). Heed: Expect heat cramps and heat exhaustion. Continued action may cause heatstroke.For clarity, heat index numbers account for light winds and areas under shade. Uninterrupted exposure to the sun may boost the heat index values by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'real feel', determines the feeling of heat when you account for the relative humidity. One's perception of weather can be shaped by other factors, involving metabolic differences, pregnancy, and physical exertion. Considering the impact of direct sunlight, it's possible for the heat index to surge by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values hold particular importance for children. Young individuals usually face more risks than adults due to their lower sweat production. Their large skin surface area relative to their tiny bodies and high heat production from their activities adds to their risk.
The physiological way the human body responds to excessive heat is by inducing perspiration, using sweat evaporation as a cooling mechanism. In the presence of elevated relative humidity, the evaporation rate decreases. This reduction leads to increased body heat retention compared to conditions of dry air. If heat absorption isn't effectively countered by the body's cooling methods, body temperature surges, hinting at potential problems.
Humidity
In September, the average relative humidity is 45%.Rainfall
In Nampala, in September, it is raining for 8.5 days, with typically 32mm (1.26") of accumulated precipitation. Throughout the year, there are 48.5 rainfall days, and 234mm (9.21") of precipitation is accumulated.Snowfall
The only month with snowfall is September. September is the month with the most snowfall. Snow falls for 0.1 days and accumulates 1mm (0.04") of snow.Daylight
In September, the average length of the day in Nampala is 12h and 13min.On the first day of September in Nampala, Mali, sunrise is at 06:09 and sunset at 18:34. On the last day of the month, sunrise is at 06:11 and sunset at 18:12 GMT.
Sunshine
In Nampala, the average sunshine in September is 9.6h.UV index
In Nampala, the average daily maximum UV index in September 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 the ordinary person.Note: The maximum daily UV index of 8 during September translates into the following directions:
With the absence of protection, damage to skin and eyes can occur instantly. Ensure precautions are taken. 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. Employ a wide-brim hat for potent defense against up to 50% of UV rays. Be alert to the fact! The reflection from snow can nearly double the UV radiation of the Sun.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Nampala, Mali
- Average high temperature in September: 37.2°C
The warmest month (with the highest average high temperature) is May (41.5°C).
The month with the lowest average high temperature is January (32.7°C).
- Average low temperature in September: 27.6°C
The month with the highest average low temperature is June (31.3°C).
The coldest month (with the lowest average low temperature) is January (18.8°C).
Average pressure in September
Nampala, Mali
- Average pressure in September: 1010.3mbar
The month with the highest atmospheric pressure is January (1013.5mbar).
The months with the lowest atmospheric pressure are April and May (1007.6mbar).
Average wind speed in September
Nampala, Mali
- Average wind speed in September: 12km/h
The windiest month (with the highest average wind speed) is February (16.7km/h).
The calmest month (with the lowest average wind speed) is October (11.1km/h).
Average humidity in September
Nampala, Mali
- Average humidity in September: 45%
The month with the highest relative humidity is August (53%).
The month with the lowest relative humidity is March (11%).
Average rainfall in September
Nampala, Mali
- Average rainfall in September: 32mm
The wettest month (with the highest rainfall) is August (119mm).
The driest months (with the least rainfall) are January, February, March and December (0mm).
Average rainfall days in September
Nampala, Mali
- Average rainfall days in September: 8.5 days
The month with the highest number of rainy days is August (14.3 days).
The month with the least rainy days is December (0.1 days).
Average snowfall in September
Nampala, Mali
- Average snowfall in September: 1mm
The month with the highest snowfall is September (1mm).
The months with the least snowfall are January, February, March, April, May, June, July, August, October, November and December (0mm).
Average snowfall days in September
Nampala, Mali
- Average snowfall days in September: 0.1 days
The month with the highest number of snowfall days is September (0.1 days).
The months with the least snowfall days are January, February, March, April, May, June, July, August, October, November and December (0 days).
Average daylight in September /
Average sunshine in September
Nampala, Mali
- Average daylight in September: 12h and 12min
The month with the longest days is June (Average daylight: 13h and 0min).
The month with the shortest days is December (Average daylight: 11h and 12min).
- Average sunshine in September: 9h and 36min
The months with the most sunshine are May and June (Average sunshine: 12h and 0min).
The month with the least sunshine is December (Average sunshine: 7h and 30min).
Average sunshine days in September
Nampala, Mali
- Average sunshine days in September: 19.7 days
The month with the most sunshine days is December (30.9 days).
The month with the least sunshine days is August (15.3 days).
Average UV index in September
Nampala, Mali
- Average UV index in September: 8
The months with the highest UV index are April and May (UV index 9).
The month with the lowest UV index is December (UV index 6).
Average cloud cover in September
Nampala, Mali
- Average cloud cover in September: 20
The month with the most cloud cover is August (Cloud cover 29).
The months with the least cloud cover are March and November (Cloud cover 7).
Average visibility in September
Nampala, Mali
- Average visibility in September: 10km
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).





