September weather forecastGoumbou, Mali

September

Weather in September

The first month of the autumn, September, is still a very hot month in Goumbou, Mali, with an average temperature fluctuating between 27.1°C (80.8°F) and 36.8°C (98.2°F).

Temperature

September denotes a minimal variation in the average high-temperature to a still sweltering 36.8°C (98.2°F) from August's 35.1°C (95.2°F). In Goumbou, September's nights observe an average temperature dip to a moderately hot 27.1°C (80.8°F).

Heat index

Throughout September, the heat index is calculated to be a scorching 44°C (111.2°F). Be on the lookout: Heat cramps and heat exhaustion are anticipated. Continued exertion can result in heatstroke.
When assessing, remember that heat index measurements are for light winds and shaded spots. The heat index can potentially augment by 15 Fahrenheit (8 Celsius) degrees due to direct sunlight.
Note: The heat index, also known as 'felt air temperature' or 'apparent temperature', integrates the air's temperature and its humidity to showcase the felt temperature by people. A person's impression of weather can be shaped by many aspects, among them metabolic variations, pregnancy, and levels of physical activity. 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 great significance to children. Juveniles often do not understand the need to recuperate and rehydrate. Thirst is a delayed symptom of dehydration - hence, it is vital to maintain hydration, particularly during ongoing physical activities.
Perspiration and the resultant sweat evaporation are the body's natural thermostat, helping regulate temperature. When relative humidity is at high levels, the evaporation rate lessens, causing the body to keep more heat than it would in less humid conditions. When heat uptake goes beyond the body's cooling mechanisms, there's a surge in body temperature, posing health risks.

Humidity

In September, the average relative humidity is 48%.

Rainfall

In Goumbou, in September, during 9.8 rainfall days, 41mm (1.61") of precipitation is typically accumulated. Throughout the year, in Goumbou, there are 56.5 rainfall days, and 246mm (9.69") of precipitation is accumulated.

Daylight

In Goumbou, the average length of the day in September is 12h and 13min.
On the first day of September, sunrise is at 06:17 and sunset at 18:41. On the last day of the month, sunrise is at 06:19 and sunset at 18:19 GMT.

Sunshine

In Goumbou, the average sunshine in September is 9.7h.

UV index

In Goumbou, the average daily maximum UV index in September is 8. A UV Index of 8 to 10 symbolizes a very high health risk from exposure to the Sun's UV radiation for ordinary individuals.
Note: A typical high UV index of 8 in September suggests the following recommendations:
Never be careless. Unprotected skin and eyes can be harmed swiftly. 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. In bright sunlight, prioritize sunglasses that grant protection from UVA and UVB radiation.

Frequently asked questions

An average high-temperature, in September, in Goumbou, is 36.8°C (98.2°F) and the average low-temperature is 27.1°C (80.8°F). In September, the average heat index (a.k.a. 'felt air temperature', 'real feel'), which factors the actual air temperature with the relative humidity, is calculated to be 44°C (111.2°F).

In Goumbou, the average relative humidity in September is 48%.

In Goumbou, during September, the rain falls for 9.8 days and regularly aggregates up to 41mm (1.61") of precipitation.

In September, the average day length in Goumbou, Mali, is 12h and 13min.

On the first day of September, sunrise is at 06:17 and sunset at 18:41. On the last day of the month, sunrise is at 06:19 and sunset at 18:19 GMT.

In Goumbou, the average sunshine duration in September is 9.7h.

The average daily maximum UV index in September is 8. A UV Index reading of 8 to 10 represents a very high health threat from unprotected exposure to UV radiation.
Average high temperature
Average low temperature
Average wind speed
Average max. wind speed
Average wind speed gusts
Average humidity
Average rainfall
Average rainfall days
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in September
Goumbou, Mali

  • Average high temperature in September: 36.8°C

The warmest month (with the highest average high temperature) is May (41.8°C).
The month with the lowest average high temperature is January (31.8°C).

  • Average low temperature in September: 27.1°C

The month with the highest average low temperature is June (30.5°C).
The coldest month (with the lowest average low temperature) is January (15.9°C).

Average pressure in September
Goumbou, Mali

  • Average pressure in September: 1010.7mbar

The month with the highest atmospheric pressure is January (1014.2mbar).
The month with the lowest atmospheric pressure is May (1008.2mbar).

Average wind speed in September
Goumbou, Mali

  • Average wind speed in September: 11.6km/h

The windiest month (with the highest average wind speed) is December (15.4km/h).
The calmest month (with the lowest average wind speed) is October (10.8km/h).

Average humidity in September
Goumbou, Mali

  • Average humidity in September: 48%

The month with the highest relative humidity is August (57%).
The months with the lowest relative humidity are March and April (13%).

Average rainfall in September
Goumbou, Mali

  • Average rainfall in September: 41mm

The wettest month (with the highest rainfall) is August (107mm).
The driest months (with the least rainfall) are January, February and December (0mm).

Average rainfall days in September
Goumbou, Mali

  • Average rainfall days in September: 9.8 days

The month with the highest number of rainy days is August (15.6 days).
The month with the least rainy days is January (0.1 days).

Average daylight in September /
Average sunshine in September
Goumbou, 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 42min

The month with the most sunshine is June (Average sunshine: 11h and 12min).
The month with the least sunshine is November (Average sunshine: 7h and 30min).

Average sunshine days in September
Goumbou, Mali

  • Average sunshine days in September: 18.2 days

The months with the most sunshine days are January and December (30.9 days).
The month with the least sunshine days is August (13 days).

Average UV index in September
Goumbou, Mali

  • Average UV index in September: 8

The month with the highest UV index is May (UV index 9).
The months with the lowest UV index are January and December (UV index 6).

Average cloud cover in September
Goumbou, Mali

  • Average cloud cover in September: 19

The month with the most cloud cover is August (Cloud cover 26).
The month with the least cloud cover is April (Cloud cover 6).

Average visibility in September
Goumbou, 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).