September weather forecast and climate
Gao, Mali

Weather in September

The first month of the autumn, September, is still a torrid month in Gao, Mali, with average temperature varying between 30.6°C (87.1°F) and 39.3°C (102.7°F).

Temperature

In Gao, the average high-temperature is practically the same as in August - a still torrid 39.3°C (102.7°F). In September, in Gao, the average low-temperature is 30.6°C (87.1°F).

Humidity

In Gao, the average relative humidity is 29%.

Rainfall

In Gao, during 6.2 rainfall days, 11mm (0.43") of precipitation is typically accumulated. In Gao, during the entire year, the rain falls for 38.3 days and collects up to 103mm (4.06") of precipitation.

Daylight

The average length of the day in Gao, Mali, is 12.2h.

Sunshine

In September, the average sunshine is 11h.

UV index

April through July and September, with an average maximum UV index of 9, are months with the highest UV index in Gao. A UV Index value of 8 to 10 symbolizes a very high threat to health from the exposure to the Sun's UV radiation for the ordinary person.
Note: In September, the average maximum UV index of 9 translate into the following recommendations:
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. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects. A broad-spectrum sunscreen of SPF 30+ should be liberally applied and re-applied every two hours, and immediately after an outdoor workout or a swim.
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FAQ

What is the average humidity in September in Gao?

In Gao, Mali, the average relative humidity in September is 29%.

How many days does it rain in September in Gao?

In Gao, Mali, in September, during 6.2 rainfall days, 11mm (0.43") of precipitation is typically accumulated.

What is the average length of the day in September in Gao?

The average length of the day in September in Gao is 12.2h.

How long on average sun shines in September in Gao?

In Gao, the average sunshine in September is 11h.

What is the month with the highest UV index in Gao?

April through July and September, with an average maximum UV index of 9, are months with the highest UV index in Gao.

How high is the UV index in September in Gao?

The average daily maximum UV index in September is 9. A UV Index value of 8 to 10 symbolizes a very high health risk from unsafe exposure to the Sun's UV rays.

Average temperature in September
Gao, Mali

Average temperature in September - Gao, Mali
  • Average high temperature in September: 39.3°C

The warmest month (with the highest average high temperature) is May (42.9°C).
The month with the lowest average high temperature is January (30.8°C).

  • Average low temperature in September: 30.6°C

The month with the highest average low temperature is June (32.3°C).
The coldest month (with the lowest average low temperature) is January (15.6°C).

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Average pressure in September
Gao, Mali

Average pressure in September - Gao, Mali
  • Average pressure in September: 1009.3mbar

The month with the highest atmospheric pressure is January (1014.5mbar).
The month with the lowest atmospheric pressure is May (1007mbar).

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Average wind speed in September
Gao, Mali

Average wind speed in September - Gao, Mali
  • Average wind speed in September: 12.8km/h

The windiest month (with the highest average wind speed) is July (16.5km/h).
The calmest month (with the lowest average wind speed) is October (11.6km/h).

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Average humidity in September
Gao, Mali

Average humidity in September - Gao, Mali
  • Average humidity in September: 29%

The month with the highest relative humidity is August (38%).
The month with the lowest relative humidity is March (11%).

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Average rainfall in September
Gao, Mali

Average rainfall in September - Gao, Mali
  • Average rainfall in September: 11mm

The wettest month (with the highest rainfall) is August (56mm).
The driest months (with the least rainfall) are January, February, March, April, November and December (0mm).

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Average rainfall days in September
Gao, Mali

Average rainfall days in September - Gao, Mali
  • Average rainfall days in September: 6.2 days

The month with the highest number of rainy days is August (11.3 days).
The month with the least rainy days is December (0 days).

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

Average daylight in September / Average sunshine in September - Gao, Mali
  • Average daylight in September: 12.2h

The month with the longest days is June (Average daylight: 13.1h).
The month with the shortest days is December (Average daylight: 11.2h).

  • Average sunshine in September: 11h

The month with the most sunshine is May (Average sunshine: 12.2h).
Months with the least sunshine are January and December (Average sunshine: 7.5).

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Average sunshine days in September
Gao, Mali

Average sunshine days in September - Gao, Mali
  • Average sunshine days in September: 21.2 days

The month with the most sunshine days is December (31 days).
The month with the least sunshine days is July (16.4 days).

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Average UV index in September
Gao, Mali

Average UV index in September - Gao, Mali
  • Average UV index in September: 9

Months with the highest UV index are April, May, June, July and September (UV index 9).
Months with the lowest UV index are January and December (UV index 6).

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Average cloud cover in September
Gao, Mali

Average cloud cover in September - Gao, Mali
  • Average cloud cover in September: 13

The month with the most cloud cover is August (Cloud cover 20).
The month with the least cloud cover is November (Cloud cover 6).

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Average visibility in September
Gao, Mali

Average visibility in September - Gao, Mali
  • Average visibility in September: 10km

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

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