September weather forecast
Banamba, Mali

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Weather in September

September marks the beginning of the end of the rainy season in Banamba. The most distinguishing feature is the sizable drop in rainfall, from 137mm (5.39") in August down to 82mm (3.23"). Daylight and sunshine hours moderately recover, subtly underlying a transition to drier months. September serves as a link between the wet and dry months, making it a vital constituent of Banamba's monsoonal drama.

Temperature

The transition into September notes an average high-temperature of a still tropical 32.5°C (90.5°F), revealing a mild distinction from the 30.8°C (87.4°F) in August. In Banamba, in September, the average low-temperature is an agreeable 22.5°C (72.5°F).

Heat index

For most parts of September, the heat index is estimated at an extremely hot 44°C (111.2°F). Stay wary: Heat exhaustion and heat cramps are possible. Heatstroke can ensue from extended effort.
Always consider that heat index estimations are for light winds and places in the shade. Facing direct sunlight may hike up the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'apparent temperature', is calculated by taking the relative humidity value for a specific location and factoring it into the air temperature reading. This effect is subjective, differing among individuals based on their physical activity and perception of heat, which can be influenced by factors like wind, clothing, and metabolic variances. Be mindful that being in direct sunlight might mean feeling hotter, with the heat index rising by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are of high significance for children. Youths are typically more endangered than adults since they usually sweat less. Their larger skin surface concerning their smaller bodies and higher heat production due to activity further adds to their vulnerability.
To prevent overheating and help regulate its internal temperature, the human body sweat and rely on the evaporation to cool down. With excessive moisture in the atmosphere, the effectiveness of the evaporation process is decreased, causing the body to cool down less efficiently, leading to a sensation of overheating. When heat uptake goes beyond the body's cooling mechanisms, there's a surge in body temperature, posing health risks.

Humidity

The average relative humidity in September is 74%.

Rainfall

In Banamba, in September, during 14.3 rainfall days, 82mm (3.23") of precipitation is typically accumulated. In Banamba, during the entire year, the rain falls for 79.9 days and collects up to 400mm (15.75") of precipitation.

Daylight

In Banamba, the average length of the day in September is 12h and 12min.
On the first day of the month, sunrise is at 06:18 and sunset at 18:40. On the last day of September, sunrise is at 06:19 and sunset at 18:20 GMT.

Sunshine

In September, the average sunshine is 9h.

UV index

In Banamba, the average daily maximum UV index in September is 7. A UV Index estimate of 6 to 7 represents a high threat to health from exposure to the Sun's UV rays for average individuals.
Note: The UV index of 7 during September leads to these advisories:
Endorse precautions and be consistent with sun safety guidelines. Preventing sunburn is paramount. Between 10 a.m. and 4 p.m., UV radiation is strongest. Make an effort to avoid direct sunlight during this time, remembering that shade structures may not provide full sun protection. For optimum UV protection, wear sun-resistant attire complemented with a hat and quality shades.

Frequently asked questions

How hot is it in September?

September temperatures vary between a high-temperature of 32.5°C (90.5°F) and a low-temperature of 22.5°C (72.5°F). In September, the average heat index (a.k.a. 'feels like', 'felt air temperature'), which represents the influence of relative humidity on air temperature, is estimated at 44°C (111.2°F).

What is the average humidity in September?

The average relative humidity in September is 74%.

How many days does it rain in September?

In Banamba, in September, it is raining for 14.3 days, with typically 82mm (3.23") of accumulated precipitation.

What is the average length of the day in September?

The average day length in September is 12h and 12min.

When are sunrise and sunset in September?

On the first day of September, sunrise is at 06:18 and sunset at 18:40. On the last day of the month, sunrise is at 06:19 and sunset at 18:20 GMT.

How long on average sun shines in September?

In September, the average sunshine duration is 9h.

What is the UV index reading in September?

In Banamba, the average daily maximum UV index in September is 7. A UV Index value of 6 to 7 symbolizes a high health threat from exposure to Sun's UV rays.

Average temperature in September
Banamba, Mali

Average temperature in September - Banamba, Mali
  • Average high temperature in September: 32.5°C

The warmest month (with the highest average high temperature) is April (41.1°C).
The month with the lowest average high temperature is August (30.8°C).

  • Average low temperature in September: 22.5°C

The month with the highest average low temperature is May (28.2°C).
The coldest month (with the lowest average low temperature) is January (17.8°C).

Average pressure in September
Banamba, Mali

Average pressure in September - Banamba, Mali
  • Average pressure in September: 1011.9mbar

The month with the highest atmospheric pressure is January (1012.7mbar).
The month with the lowest atmospheric pressure is April (1008.1mbar).

Average wind speed in September
Banamba, Mali

Average wind speed in September - Banamba, Mali
  • Average wind speed in September: 6.2km/h

The windiest month (with the highest average wind speed) is February (10km/h).
The calmest month (with the lowest average wind speed) is September (6.2km/h).

Average humidity in September
Banamba, Mali

Average humidity in September - Banamba, Mali
  • Average humidity in September: 74%

The month with the highest relative humidity is August (79%).
The month with the lowest relative humidity is February (14%).

Average rainfall in September
Banamba, Mali

Average rainfall in September - Banamba, Mali
  • Average rainfall in September: 82mm

The wettest month (with the highest rainfall) is August (137mm).
The driest month (with the least rainfall) is December (0mm).

Average rainfall days in September
Banamba, Mali

Average rainfall days in September - Banamba, Mali
  • Average rainfall days in September: 14.3 days

The month with the highest number of rainy days is August (21.8 days).
The month with the least rainy days is December (0 days).

Average daylight in September /
Average sunshine in September
Banamba, Mali

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

The month with the longest days is June (Average daylight: 12h and 54min).
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, April and November (Average sunshine: 9h and 54min).
The month with the least sunshine is August (Average sunshine: 7h and 54min).

Average sunshine days in September
Banamba, Mali

Average sunshine days in September - Banamba, Mali
  • Average sunshine days in September: 13.8 days

The month with the most sunshine days is December (31 days).
The month with the least sunshine days is August (8.5 days).

Average UV index in September
Banamba, Mali

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

The month with the highest UV index is April (UV index 9).
The month with the lowest UV index is December (UV index 6).

Average cloud cover in September
Banamba, Mali

Average cloud cover in September - Banamba, Mali
  • Average cloud cover in September: 30

The month with the most cloud cover is August (Cloud cover 43).
The month with the least cloud cover is December (Cloud cover 7).

Average visibility in September
Banamba, Mali

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

The months with the highest visibility are January, February, March, April, May, June, July, October, November and December (10km).
The months with the lowest visibility are August and September (9km).

Banamba, Mali

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