September weather forecastFatoma, Mali
September
Weather in September
The weather in Fatoma, Mali, in September undergoes a change as the area transitions between seasons. It records a slight temperature increase from the preceding month and sees lower rainfall levels, indicating the wet season's retreat. The relative humidity also decreases, setting the stage for the upcoming dry months. Noticeable is a slight decrease in wind speed and an increase in atmospheric pressure.Temperature
September's arrival brings an average high-temperature of a still very hot 37.1°C (98.8°F), demonstrating subtle variation from the preceding month. In Fatoma, an average nighttime temperature of 27.5°C (81.5°F) is expected during September.Heat index
For September, the heat index is evaluated at a blistering 44°C (111.2°F). Take caution: Heat exhaustion and heat cramps are probable. Heatstroke may be imminent with ongoing effort.In the scope of the heat index, its values resonate with shade and light wind conditions. Heat index values might soar by up to 15 Fahrenheit (8 Celsius) degrees with exposure to direct sunshine.
Note: The heat index, also known as 'feels like' or 'apparent temperature', is an indicator that blends the effects of temperature and humidity to depict perceived warmth. This impact is subjective, influenced by the person's physical activity and individual heat perception, affected by factors including wind, attire, and metabolic differences. Direct exposure to the sun's rays can enhance the felt temperature, increasing the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values hold particular importance for children. Kids generally face higher risks than adults as they sweat less. Along with their large skin surface compared to their small bodies and higher heat production due to their activities, their vulnerability is increased.
The natural cooling mechanism in humans involves perspiration, where the evaporation of sweat balances out excessive warmth. An increase in relative humidity disrupts body cooling by slowing the evaporation rate, thereby reducing the rate at which the body cools and amplifying the sense of heat. When the heat gained surpasses the body's cooling capacity, temperatures rise, signaling potential health concerns.
Humidity
The average relative humidity in September is 45%.Rainfall
In Fatoma, Mali, in September, it is raining for 9.2 days, with typically 33mm (1.3") of accumulated precipitation. Throughout the year, there are 49.2 rainfall days, and 235mm (9.25") 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 Fatoma, the average length of the day in September is 12h and 13min.On the first day of the month, sunrise is at 06:04 and sunset at 18:28. On the last day of September, sunrise is at 06:05 and sunset at 18:06 GMT.
Sunshine
In September, the average sunshine is 9.6h.UV index
In September, the average daily maximum UV index is 8. A UV Index of 8 to 10 symbolizes a very high health risk from unsafe exposure to UV radiation for the average person.Note: The maximum UV index of 8 during September translates into these guidelines:
It is essential to prioritize protection. Unprotected skin and eyes can suffer rapid harm. Avoid direct exposure to the Sun between 10 a.m. and 4 p.m., the peak period for UV radiation, noting that objects like parasols or canopies might not offer complete sun protection. Wearing sunglasses with both UVA and UVB protection effectively reduces sun-induced eye damage. Consider carefully! The reflective quality of snow can almost double the intensity of the Sun's UV radiation.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Fatoma, 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
Fatoma, 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
Fatoma, 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
Fatoma, 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
Fatoma, 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
Fatoma, 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
Fatoma, 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
Fatoma, 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
Fatoma, 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
Fatoma, 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
Fatoma, 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
Fatoma, 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
Fatoma, 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).
