September weather forecastYoudiou, Mali
September
Weather in September
The first month of the autumn, September, is also a fiery hot month in Youdiou, Mali, with temperature in the range of an average low of 27.5°C (81.5°F) and an average high of 37.1°C (98.8°F).Temperature
In September, Youdiou's weather conditions record an average high-temperature of a still very hot 37.1°C (98.8°F), demonstrating little divergence from the preceding month. The temperature dips to an average of 27.5°C (81.5°F) during September nights.Heat index
September's heat index is calculated to be a blisteringly hot 44°C (111.2°F). Careful: Heat exhaustion and heat cramps are anticipated. With ongoing exertion, heatstroke becomes a possibility.Metrics for the heat index primarily focus on shaded spots and light wind conditions. With exposure to direct sunlight, the heat index may be increased by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'feels like', provides an understanding of perceived warmth by combining temperature and relative humidity. Physical activity, clothing, and metabolic variations are additional factors that impact an individual's perception of temperature. In the direct sunlight, the weather's impact can be amplified, possibly boosting the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values hold particular significance for children. Children usually face more risks than adults as their ability to sweat is less. Additionally, their larger skin surface in relation to their petite bodies and higher heat output due to their activities increases their vulnerability.
The evaporation of sweat is a natural cooling mechanism of the human body, facilitated by perspiration. Heightened relative humidity interferes with the body's usual cooling mechanism by reducing evaporation, subsequently decreasing the body's cooling rate and increasing the sensation of heat. Elevated heat gain compared to the body's release capability poses risks of dehydration and potential overheating.
Humidity
In Youdiou, the average relative humidity in September is 45%.Rainfall
In Youdiou, in September, it is raining for 9.2 days, with typically 33mm (1.3") of accumulated precipitation. In Youdiou, during the entire year, the rain falls for 49.2 days and collects up to 235mm (9.25") of precipitation.Snowfall
September is the only month when snow falls. The month with the most snowfall is September, when snow falls for 0.1 days and typically aggregates up to 1mm (0.04") of snow.Daylight
In September, the average length of the day is 12h and 13min.On the first day of September, sunrise is at 06:00 and sunset at 18:24. On the last day of the month, sunrise is at 06:02 and sunset at 18:02 GMT.
Sunshine
In Youdiou, the average sunshine in September is 9.6h.UV index
In Youdiou, the average daily maximum UV index in September is 8. A UV Index value of 8 to 10 symbolizes a very high health hazard from unprotected exposure to Sun's UV rays for the ordinary person.Note: In September, the average maximum UV index of 8 translates into the following recommendations:
Be sure to take precautions. Without protection, skin might suffer damage quickly. Avoid exposure to the Sun and try to stay in the shade between 10 a.m. and 4 p.m., when UV radiation is most potent, but be aware that parasols or canopies may not offer full protection. Loose clothes with a tight weave are optimal for safeguarding yourself against the Sun's rays. Remember this! The UV radiation of the Sun can be nearly doubled by the reflective properties of snow.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Youdiou, Mali
- Average high temperature in September: 37.1°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: 27.5°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
Youdiou, 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
Youdiou, Mali
- Average wind speed in September: 12.1km/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
Youdiou, 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
Youdiou, Mali
- Average rainfall in September: 33mm
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
Youdiou, Mali
- Average rainfall days in September: 9.2 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
Youdiou, 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
Youdiou, 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
Youdiou, 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 18min).
- 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
Youdiou, Mali
- Average sunshine days in September: 19.3 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
Youdiou, 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
Youdiou, 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
Youdiou, 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).
