September weather forecastGouméra, Mali
September
Weather in September
September, the first month of the autumn in Gouméra, is still a tropical month, with an average temperature varying between 34.6°C (94.3°F) and 25.4°C (77.7°F).Temperature
As August transitions into September, Gouméra records an average high-temperature of a still tropical 34.6°C (94.3°F), showing a gentle shift from the preceding month. Nighttime temperatures in September average to a moderately hot 25.4°C (77.7°F).Heat index
September's mean heat index is computed to be a burning hot 47°C (116.6°F). Beware: Heat cramps and heat exhaustion are very likely. Heatstroke is imminent with prolonged activity.Data suggests that the heat index is set for environments in shade and with a light wind. Heat index values have the potential to be boosted by 15 Fahrenheit (8 Celsius) degrees due to direct sunlight.
Note: The heat index, also known as 'apparent temperature' or 'real feel', combines air temperature and relative humidity to represent a human perceived temperature equivalent. The effect is personal, with varied weather perceptions among individuals due to differences in body mass, stature, and physical activity. Should you be directly under the sun, anticipate a possible increase in the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly relevant to children. Young people are generally more susceptible than adults because they perspire less. Furthermore, their proportionally larger skin surface to their petite bodies and the increased heat output from their actions add to the risk.
The human body keeps its cool primarily through perspiration, as this process enables sweat to evaporate, taking away the excess heat. 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. Rising body temperatures resulting from an imbalance in heat absorption can lead to potential thermal issues.
Humidity
In Gouméra, the average relative humidity in September is 67%.Rainfall
In Gouméra, Mali, in September, it is raining for 14.7 days, with typically 66mm (2.6") of accumulated precipitation. Throughout the year, in Gouméra, there are 64.9 rainfall days, and 273mm (10.75") of precipitation is accumulated.Daylight
In Gouméra, Mali, the average length of the day in September is 12h and 13min.On the first day of the month, sunrise is at 06:33 and sunset at 18:56. On the last day of September, in Gouméra, sunrise is at 06:34 and sunset at 18:35 GMT.
Sunshine
In Gouméra, the average sunshine in September is 9h.UV index
In September, the average daily maximum UV index in Gouméra is 8. A UV Index estimate of 8 to 10 represents a very high health hazard from exposure to the Sun's UV rays for average individuals.Note: In September, the maximum UV index of 8 suggests this advice:
Be sure to take precautions. Without protection, skin might suffer damage quickly. Limit direct sun exposure and seek shade between 10 a.m. and 4 p.m., the time of the most intense UV radiation, noting that shade structures may not provide total sun protection. A wide-brimmed hat provides unparalleled sun protection for sensitive areas like the eyes, ears, and neck.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Gouméra, Mali
- Average high temperature in September: 34.6°C
The warmest month (with the highest average high temperature) is May (42.3°C).
The month with the lowest average high temperature is August (33.7°C).
- Average low temperature in September: 25.4°C
The month with the highest average low temperature is June (30°C).
The coldest month (with the lowest average low temperature) is January (17.9°C).
Average pressure in September
Gouméra, Mali
- Average pressure in September: 1011.3mbar
The month with the highest atmospheric pressure is January (1013mbar).
The month with the lowest atmospheric pressure is April (1008.2mbar).
Average wind speed in September
Gouméra, Mali
- Average wind speed in September: 8.5km/h
The windiest month (with the highest average wind speed) is July (12.1km/h).
The calmest month (with the lowest average wind speed) is October (7.7km/h).
Average humidity in September
Gouméra, Mali
- Average humidity in September: 67%
The month with the highest relative humidity is August (70%).
The months with the lowest relative humidity are February and March (14%).
Average rainfall in September
Gouméra, Mali
- Average rainfall in September: 66mm
The wettest month (with the highest rainfall) is August (109mm).
The driest months (with the least rainfall) are January, February and December (0mm).
Average rainfall days in September
Gouméra, Mali
- Average rainfall days in September: 14.7 days
The month with the highest number of rainy days is August (18.3 days).
The month with the least rainy days is February (0 days).
Average daylight in September /
Average sunshine in September
Gouméra, 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 0min
The months with the most sunshine are March and April (Average sunshine: 9h and 54min).
The month with the least sunshine is August (Average sunshine: 8h and 18min).
Average sunshine days in September
Gouméra, Mali
- Average sunshine days in September: 13 days
The months with the most sunshine days are January and December (30.8 days).
The month with the least sunshine days is August (10.6 days).
Average UV index in September
Gouméra, 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
Gouméra, Mali
- Average cloud cover in September: 25
The month with the most cloud cover is August (Cloud cover 35).
The month with the least cloud cover is April (Cloud cover 6).
Average visibility in September
Gouméra, 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).





