September weather forecast
Diamou, Mali

Weather in September

The first month of the autumn, September, is still a tropical month in Diamou, Mali, with an average temperature fluctuating between 25.5°C (77.9°F) and 34.8°C (94.6°F).

Temperature

In September, the average high-temperature is practically the same as in August - a still tropical 34.8°C (94.6°F). In Diamou, Mali, in September, the average low-temperature is 25.5°C (77.9°F).

Heat index

The average heat index in September is evaluated at a burning hot 47°C (116.6°F). Beware: Heat cramps and heat exhaustion are very likely. Heatstroke is imminent with prolonged activity.
Note that heat index values are valued for light wind and location in the shade. Exposure to direct sunshine can increase heat index values by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature', 'felt air temperature', 'feels like', or 'real feel', is a measure of how hot it feels when the actual air humidity is factored in. Additional factors like activity, clothing, pregnancy, and wind affect individual temperature impact. Be aware that direct exposure to sunlight increases heat impact and may raise the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly important for children. Children are often less aware of the need to rest and re-hydrate. Thirst is a late sign of dehydration - it is vital to remain hydrated, particularly during prolonged physical activities.
To prevent overheating and help regulate its internal temperature, the human body sweat and rely on the evaporation to cool down. With a lot of moisture in the air, the evaporation process is not as effective, and the body does not cool down as efficiently, creating a perception of overheating. When heat gain exceeds the level the body can remove, body temperature begins to rise, and heat-related illnesses and disorders may develop.

Humidity

The average relative humidity in September is 66%.

Rainfall

In Diamou, during September, the rain falls for 13.8 days and regularly aggregates up to 49mm (1.93") of precipitation. In Diamou, during the entire year, the rain falls for 64 days and collects up to 256mm (10.08") of precipitation.

Daylight

The average length of the day in September is 12h and 13min.
On the first day of September in Diamou, sunrise is at 06:33 and sunset at 18:56. On the last day of the month, sunrise is at 06:34 and sunset at 18:35 GMT.

Sunshine

The average sunshine in September in Diamou is 9.2h.

UV index

In Diamou, the average daily maximum UV index in September is 8. A UV Index of 8 to 10 symbolizes a very high threat to health from unprotected exposure to Sun's UV rays for the average person.
Note: The daily maximum UV index of 8 in September interpret into the following advice:
Take extra precautions. Fair-skinned individuals may get burned in less than 10 minutes. Seek shade and minimize exposure to direct Sun in a period between 10 a.m. and 4 p.m. when UV radiation is most intense; keep in mind that shade structures like parasols or canopies do not provide perfect sun protection. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Tightly woven, loose-fitting clothes provide additional protection from the Sun.
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FAQ

What is the temperature in September in Diamou?

In September, in Diamou, Mali, the average high-temperature is 34.8°C (94.6°F), and the average low-temperature is 25.5°C (77.9°F). The average heat index (a.k.a. 'apparent temperature', 'feels like'), which factors the actual air temperature with the relative humidity, in September is evaluated at 47°C (116.6°F).

What is the average humidity in September in Diamou?

In September, the average relative humidity in Diamou is 66%.

How many days does it rain in September in Diamou?

In Diamou, Mali, during September, the rain falls for 13.8 days and regularly aggregates up to 49mm (1.93") of precipitation.

How many hours of daylight does Diamou have in September?

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

What time are sunrise and sunset in September in Diamou?

In September, on the first day of the month, sunrise is at 06:33 and sunset at 18:56. On the last day of the month, in Diamou, sunrise is at 06:34 and sunset at 18:35 GMT.

How many hours of sunshine does Diamou have in September?

In Diamou, the average sunshine duration in September is 9.2h.

What is the UV index intensity in September in Diamou?

In Diamou, the average daily maximum UV index in September is 8. A UV Index value of 8 to 10 symbolizes a very high health risk from unprotected exposure to UV radiation.

Average temperature in September
Diamou, Mali

Average temperature in September - Diamou, Mali
  • Average high temperature in September: 34.8°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: 25.5°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).

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Average pressure in September
Diamou, Mali

Average pressure in September - Diamou, 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).

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Average wind speed in September
Diamou, Mali

Average wind speed in September - Diamou, Mali
  • Average wind speed in September: 8.3km/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).

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Average humidity in September
Diamou, Mali

Average humidity in September - Diamou, Mali
  • Average humidity in September: 66%

The month with the highest relative humidity is August (70%).
The months with the lowest relative humidity are February and March (14%).

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Average rainfall in September
Diamou, Mali

Average rainfall in September - Diamou, Mali
  • Average rainfall in September: 49mm

The wettest month (with the highest rainfall) is August (109mm).
The driest months (with the least rainfall) are January, February and December (0mm).

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Average rainfall days in September
Diamou, Mali

Average rainfall days in September - Diamou, Mali
  • Average rainfall days in September: 13.8 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).

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

Average daylight in September / Average sunshine in September - Diamou, Mali
  • Average daylight in September: 12h and 13min

The month with the longest days is June (Average daylight: 12h and 57min).
The month with the shortest days is December (Average daylight: 11h and 19min).

  • Average sunshine in September: 9h and 12min

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).

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Average sunshine days in September
Diamou, Mali

Average sunshine days in September - Diamou, Mali
  • Average sunshine days in September: 13.6 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).

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Average UV index in September
Diamou, Mali

Average UV index in September - Diamou, 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).

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Average cloud cover in September
Diamou, Mali

Average cloud cover in September - Diamou, Mali
  • Average cloud cover in September: 24

The month with the most cloud cover is August (Cloud cover 35).
The month with the least cloud cover is April (Cloud cover 6).

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Average visibility in September
Diamou, Mali

Average visibility in September - Diamou, 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).

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