Conakry
Guinea
Long-term weather forecast
Long-term weather forecast

September weather forecast and climate
Conakry, Guinea

A distant view of the West African city of Conakry in Guinea, with tall city buildings and cloudy skies
A distant view of the West African city of Conakry in Guinea, with tall city buildings and cloudy skies
The first month of the autumn, September, is a tropical month in Conakry, Guinea, with temperature in the range of an average low of 20.7°C (69.3°F) and an average high of 30.6°C (87.1°F).

Temperature

In Conakry, the average high-temperature in September is essentially the same as in August - a tropical 30.6°C (87.1°F). In September, in Conakry, the average low-temperature is 20.7°C (69.3°F).

Humidity

In September, the average relative humidity is 85%.

Rainfall

In September, the rain falls for 22 days. Throughout September, 617mm (24.3") of precipitation is accumulated. In Conakry, during the entire year, the rain falls for 129 days and collects up to 3784mm (149") of precipitation.

Sea temperature

In Conakry, the average water temperature is 27.8°C (82°F). For swimming, diving, and other water activities, temperatures between 25°C (77°F) and 29°C (84.2°F) are perceived as very enjoyable and pleasurable for prolonged periods without feeling uncomfortable.

Daylight

In Conakry, Guinea, the average length of the day in September is 12.2h.

Sunshine

In September, the average sunshine in Conakry is 4.5h.

UV index

Months with the highest UV index are February through October, with an average maximum UV index of 12. A UV Index value of 11, and more, symbolizes an excessive health risk from the exposure to the Sun's UV radiation for ordinary individuals.
The daily maximum UV index of 12 interpret into the following advice:
Practice all-important precautions. Light skin people may get burned in less than 5 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. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes. Even on cloudy days, a sunscreen with a minimum 30 sun protection factor should be generously applied and frequently re-applied, including after every swim or outdoor exercise. Beware! The reflection of water and sand dramatically increases exposure to the UV rays.

What is the temperature in September in Conakry?

The average high-temperature, in September, is 30.6°C (87.1°F), while the average low-temperature is 20.7°C (69.3°F).

What is the average humidity in September in Conakry?

In Conakry, Guinea, the average relative humidity in September is 85%.

How much does it rain in Conakry in September?

In September, in Conakry, Guinea, the rain falls for 22 days. Throughout September, 617mm (24.3") of precipitation is accumulated.

How warm is the water in September in Conakry?

In September, the average sea temperature in Conakry is 27.8°C (82°F). For swimming, diving, and other water activities, temperatures between 25°C (77°F) and 29°C (84.2°F) are perceived as very enjoyable and pleasurable for prolonged periods without feeling uncomfortable.

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

In September, the average length of the day in Conakry is 12.2h.

How many hours of sunshine does Conakry have in September?

In September, the average sunshine is 4.5h.

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

February through October, with an average maximum UV index of 12, are months with the highest UV index.

What is the UV index intensity in September in Conakry?

In September, the average daily maximum UV index in Conakry, Guinea, is 12. A UV Index value of 11, and more, symbolizes an ultimate hazard to health from the exposure to the Sun's UV rays.
Average temperature in September - Conakry, Guinea
  • Average high temperature in September: 30.6°C

The warmest month (with the highest average high temperature) is April (33.6°C).
The month with the lowest average high temperature is August (29.9°C).

  • Average low temperature in September: 20.7°C

The month with the highest average low temperature is April (22°C).
The coldest month (with the lowest average low temperature) is January (19°C).

Average humidity in September - Conakry, Guinea
  • Average humidity in September: 85%

The month with the highest relative humidity is August (87%).
The month with the lowest relative humidity is March (68%).

Average rainfall in September - Conakry, Guinea
  • Average rainfall in September: 617mm

The wettest month (with the highest rainfall) is July (1130mm).
Driest months (with the lowest rainfall) are January and February (1mm).

Average rainfall days in September - Conakry, Guinea
  • Average rainfall days in September: 22 days

Months with the highest number of rainy days are July and August (27 days).
Months with the lowest number of rainy days are January, February and March (0 days).

Average sea temperature in September - Conakry, Guinea
  • Average sea temperature in September: 27.8°C

Best months for swimming (with the highest average sea temperature) are November and December (28.8°C).
The coldest month (with the lowest average sea temperature) is April (26.9°C).

Average daylight in September / Average sunshine in September - Conakry, Guinea
  • Average daylight in September: 12.2h

The month with the longest days is June (Average daylight: 12.7h).
Months with shortest days are January and December (Average daylight: 11.6h).

  • Average sunshine in September: 4.5h

The month with most sunshine is March (Average sunshine: 8.1h).
The month with least sunshine is August (Average sunshine: 2.8h).

Average UV index in September - Conakry, Guinea
  • Average UV index in September: 12

Months with the highest UV index are February, March, April, May, June, July, August, September and October (UV index 12).
Months with the lowest UV index are November and December (UV index 10).