September weather forecast
Gongasso, Mali

September

Weather in September

September, the first month of the autumn in Gongasso, is a tropical month, with an average temperature varying between 21.6°C (70.9°F) and 31.4°C (88.5°F).

Temperature

With September's arrival, Gongasso's weather records an average high-temperature of a tropical 31.4°C (88.5°F), marking little difference from August's 29.7°C (85.5°F). During the month of September, Gongasso's nighttime temperature lowers to an average of 21.6°C (70.9°F).

Heat index

For most parts of September, the heat index is appraised at a blistering 41°C (105.8°F). Heightened precautions are necessary, heat cramps and heat exhaustion are potential risks. Continuous activity could lead to heatstroke.
Keep in mind the heat index values are meant for areas in shade and with light wind. The heat index values could be amplified by up to 15 Fahrenheit (8 Celsius) degrees in direct sunlight.
Note: The heat index, also known as 'real feel' or 'apparent temperature', gives an indication of how one might feel in terms of heat after considering humidity. The influence of weather can be personal, changing with an individual's body mass, height, and level of physical exertion. Keep in mind that direct sunshine exposure can amplify the weather's effects, possibly increasing the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly important for children. Young ones often ignore the need to take a break and drink fluids. Thirst is a late-stage symptom of dehydration - hence, maintaining hydration, particularly during extended physical activities, is crucial.
The physiological response of the human body to excess warmth is to perspire, thereby cooling itself through sweat evaporation. With high air temperature and humidity (high heat index) conditions, sweat production is restricted, leading to an amplified perception of heat. When the body's heat gain surpasses its removal capacity, body temperature starts to climb, leading to potential heat-related ailments.

Humidity

In Gongasso, the average relative humidity in September is 78%.

Rainfall

In Gongasso, in September, during 22.4 rainfall days, 93mm (3.66") of precipitation is typically accumulated. In Gongasso, during the entire year, the rain falls for 132.5 days and collects up to 578mm (22.76") of precipitation.

Daylight

In September, the average length of the day in Gongasso is 12h and 11min.
On the first day of the month, sunrise is at 06:12 and sunset at 18:33. On the last day of September, in Gongasso, sunrise is at 06:12 and sunset at 18:13 GMT.

Sunshine

The average sunshine in September in Gongasso is 8.8h.

UV index

In Gongasso, the average daily maximum UV index in September is 7. A UV Index value of 6 to 7 symbolizes a high threat to health from exposure to the Sun's UV rays for ordinary individuals.
Note: The maximum daily UV index, 7 in September, converts into the following recommendations:
Guard oneself from overexposure. Defence against sun injury is vital. Stay out of direct sunlight and seek shade between 10 a.m. and 4 p.m., when UV radiation is strongest, but remember that shade devices may not offer full sun protection. Your best bet for sun defense on the face, eyes, and neck is a hat with a wide brim.

Frequently asked questions

How hot is September in Gongasso?
The high-temperature, in September, in Gongasso, records 31.4°C (88.5°F), while the low-temperature is 21.6°C (70.9°F). The average heat index (a.k.a. 'real feel', 'felt air temperature'), which calculates the temperature value influenced by the moisture in the air, in September is appraised at 41°C (105.8°F).
What is the average humidity in September in Gongasso?
In September, the average relative humidity is 78%.
How many days does it rain in September in Gongasso?
In September, in Gongasso, Mali, the rain falls for 22.4 days. Throughout September, 93mm (3.66") of precipitation is accumulated.
How many hours of daylight does Gongasso have in September?
In Gongasso, Mali, the average day length in September is 12h and 11min.
When are sunrise and sunset in September in Gongasso?
On the first day of September in Gongasso, Mali, sunrise is at 06:12 and sunset at 18:33. On the last day of the month, sunrise is at 06:12 and sunset at 18:13 GMT.
How many hours of sunshine does Gongasso have in September?
In Gongasso, the average sunshine duration in September is 8.8h.
What is the UV index reading in September in Gongasso?
In September, the average daily maximum UV index is 7. A UV Index value of 6 to 7 symbolizes a high health risk from unsafe exposure to Sun's UV rays.
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 daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility
Average temperature in September - Gongasso, Mali
Average temperature in September
Gongasso, Mali
  • Average high temperature in September: 31.4°C

The warmest month (with the highest average high temperature) is April (39.6°C).
The month with the lowest average high temperature is August (29.7°C).

  • Average low temperature in September: 21.6°C

The month with the highest average low temperature is April (26.5°C).
The coldest month (with the lowest average low temperature) is January (19°C).

Average pressure in September - Gongasso, Mali
Average pressure in September
Gongasso, Mali
  • Average pressure in September: 1012.1mbar

The month with the highest atmospheric pressure is August (1012.2mbar).
The month with the lowest atmospheric pressure is April (1008.2mbar).

Average wind speed in September - Gongasso, Mali
Average wind speed in September
Gongasso, Mali
  • Average wind speed in September: 6.4km/h

The windiest month (with the highest average wind speed) is January (9.9km/h).
The calmest month (with the lowest average wind speed) is September (6.4km/h).

Average humidity in September - Gongasso, Mali
Average humidity in September
Gongasso, Mali
  • Average humidity in September: 78%

The month with the highest relative humidity is August (83%).
The month with the lowest relative humidity is January (15%).

Average rainfall in September - Gongasso, Mali
Average rainfall in September
Gongasso, Mali
  • Average rainfall in September: 93mm

The wettest month (with the highest rainfall) is August (187mm).
The driest month (with the least rainfall) is December (0mm).

Average rainfall days in September - Gongasso, Mali
Average rainfall days in September
Gongasso, Mali
  • Average rainfall days in September: 22.4 days

The month with the highest number of rainy days is August (26.7 days).
The month with the least rainy days is December (0.1 days).

Average daylight in September / Average sunshine in September - Gongasso, Mali
Average daylight in September /
Average sunshine in September
Gongasso, Mali
  • Average daylight in September: 12h and 1min

The month with the longest days is June (Average daylight: 12h and 48min).
The month with the shortest days is December (Average daylight: 11h and 30min).

  • Average sunshine in September: 8h and 5min

The month with the most sunshine is May (Average sunshine: 10h and 48min).
The month with the least sunshine is August (Average sunshine: 7h and 30min).

Average sunshine days in September - Gongasso, Mali
Average sunshine days in September
Gongasso, Mali
  • Average sunshine days in September: 5.8 days

The month with the most sunshine days is December (30.6 days).
The month with the least sunshine days is August (3.6 days).

Average UV index in September - Gongasso, Mali
Average UV index in September
Gongasso, Mali
  • Average UV index in September: 7

The months with the highest UV index are February, March, April and May (UV index 8).
The months with the lowest UV index are July, August and December (UV index 6).

Average cloud cover in September - Gongasso, Mali
Average cloud cover in September
Gongasso, Mali
  • Average cloud cover in September: 34

The month with the most cloud cover is August (Cloud cover 48).
The month with the least cloud cover is December (Cloud cover 6).

Average visibility in September - Gongasso, Mali
Average visibility in September
Gongasso, Mali
  • Average visibility in September: 9km

The months with the highest visibility are January, February, March, April, May, June, October, November and December (10km).
The month with the lowest visibility is August (8km).

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