September weather forecastNiono, Mali
September
Weather in September
September, the first month of the autumn in Niono, is still a tropical month, with an average temperature ranging between min 24.7°C (76.5°F) and max 34.9°C (94.8°F).Temperature
September's onset brings an average high-temperature of a still hot 34.9°C (94.8°F), showing a minute difference from August's 33°C (91.4°F). The average temperature during September nights dips to a warm 24.7°C (76.5°F).Heat index
September's average heat index is calculated to be a life-threatening hot 45°C (113°F). Precaution: Heat cramps along with heat exhaustion are possible. Heatstroke is a serious risk with continued exertion.Data suggests that the heat index is set for environments in shade and with a light wind. With exposure to direct sunshine, the heat index could climb by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'felt air temperature', represents the fusion of temperature and moisture in the air to suggest how warm it feels. Factors such as metabolic variation, pregnancy, and physical activity play a role in one's impression of weather. Under direct sun rays, the felt temperature might be heightened, with the heat index increasing by 15 Fahrenheit (8 Celsius) degrees. Heat index values hold great significance to children. Children frequently underestimate the importance of resting and drinking fluids. Thirst is a symptom of advanced dehydration - hence the need to hydrate regularly, especially during protracted physical exercises.
In high temperatures, perspiration kicks in, allowing the human body to cool down through the evaporation of sweat. High relative humidity reduces the evaporation rate, resulting in a lower heat removal rate from the body, causing the perception of being overheated. Rising body temperatures due to excess heat retention could signify impending heat disorders.
Humidity
In September, the average relative humidity is 61%.Rainfall
In Niono, in September, during 11.7 rainfall days, 45mm (1.77") of precipitation is typically accumulated. In Niono, during the entire year, the rain falls for 69.7 days and collects up to 299mm (11.77") of precipitation.Daylight
The average length of the day in September is 12h and 13min.On the first day of September, sunrise is at 06:12 and sunset at 18:35. On the last day of the month, sunrise is at 06:13 and sunset at 18:14 GMT.
Sunshine
In September, the average sunshine is 9.5h.UV index
The average daily maximum UV index in September is 8. A UV Index reading of 8 to 10 represents a very high health vulnerability from exposure to the Sun's UV rays for average individuals.Note: The daily high UV index of 8 during September translates into the following recommendations:
Taking safety measures is non-negotiable; skin and eyes can be swiftly affected if neglected. Limit direct sun exposure especially between 10 a.m. and 4 p.m., when UV radiation is at its peak. However, keep in mind that shade structures may not provide full sun protection. Limit sun-induced ocular harm with sunglasses that feature UVA and UVB filtration.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Niono, Mali
- Average high temperature in September: 34.9°C
The warmest month (with the highest average high temperature) is April (41.6°C).
The month with the lowest average high temperature is August (33°C).
- Average low temperature in September: 24.7°C
The month with the highest average low temperature is May (29.6°C).
The coldest month (with the lowest average low temperature) is January (17.2°C).
Average pressure in September
Niono, Mali
- Average pressure in September: 1011.3mbar
The month with the highest atmospheric pressure is January (1013.2mbar).
The month with the lowest atmospheric pressure is April (1007.9mbar).
Average wind speed in September
Niono, Mali
- Average wind speed in September: 8.8km/h
The windiest month (with the highest average wind speed) is February (13.2km/h).
The calmest month (with the lowest average wind speed) is October (8.6km/h).
Average humidity in September
Niono, Mali
- Average humidity in September: 61%
The month with the highest relative humidity is August (68%).
The month with the lowest relative humidity is February (13%).
Average rainfall in September
Niono, Mali
- Average rainfall in September: 45mm
The wettest month (with the highest rainfall) is August (128mm).
The driest months (with the least rainfall) are February and December (0mm).
Average rainfall days in September
Niono, Mali
- Average rainfall days in September: 11.7 days
The month with the highest number of rainy days is August (19.5 days).
The month with the least rainy days is December (0 days).
Average daylight in September /
Average sunshine in September
Niono, 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 30min
The month with the most sunshine is June (Average sunshine: 11h and 30min).
The month with the least sunshine is November (Average sunshine: 7h and 36min).
Average sunshine days in September
Niono, Mali
- Average sunshine days in September: 16.1 days
The month with the most sunshine days is December (31 days).
The month with the least sunshine days is August (9.8 days).
Average UV index in September
Niono, 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
Niono, Mali
- Average cloud cover in September: 22
The month with the most cloud cover is August (Cloud cover 34).
The months with the least cloud cover are February and December (Cloud cover 7).
Average visibility in September
Niono, 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).
