September weather forecastKouankan, Guinea
September
Weather in September
September, the first month of the autumn in Kouankan, is also a moderately hot month, with an average temperature ranging between min 19.2°C (66.6°F) and max 26.8°C (80.2°F).Temperature
The onset of September marks an average high-temperature of a still moderately hot 26.8°C (80.2°F), hardly differing from August's 25.4°C (77.7°F). During the nights in September, Kouankan experiences a consistent average temperature of 19.2°C (66.6°F).Humidity
The average relative humidity in September in Kouankan is 92%.Rainfall
September is the month with the most rainfall. Rain falls for 29.1 days and accumulates 279mm (10.98") of precipitation.Daylight
In Kouankan, the average length of the day in September is 12h and 10min.On the first day of September in Kouankan, sunrise is at 06:28 and sunset at 18:44. On the last day of the month, sunrise is at 06:24 and sunset at 18:27 GMT.
Sunshine
In September, the average sunshine is 5h.UV index
In September, the average daily maximum UV index is 6. A UV Index estimate of 6 to 7 represents a high health vulnerability from exposure to the Sun's UV rays for the average person.Note: The maximum UV index of 6 during September translates into these guidelines:
Evade overexposure. Individuals with fair skin risk burning in under 20 minutes. Between 10 a.m. and 4 p.m., the Sun emits the most powerful UV radiation. Limit direct exposure to the Sun during these hours. Limit sun-induced ocular harm with sunglasses that feature UVA and UVB filtration.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Kouankan, Guinea
- Average high temperature in September: 26.8°C
The warmest months (with the highest average high temperature) are February and March (34.8°C).
The month with the lowest average high temperature is August (25.4°C).
- Average low temperature in September: 19.2°C
The month with the highest average low temperature is April (20.5°C).
The coldest month (with the lowest average low temperature) is January (16.3°C).
Average pressure in September
Kouankan, Guinea
- Average pressure in September: 1013.5mbar
The month with the highest atmospheric pressure is July (1014.4mbar).
The month with the lowest atmospheric pressure is March (1010.7mbar).
Average wind speed in September
Kouankan, Guinea
- Average wind speed in September: 4.4km/h
The windiest month (with the highest average wind speed) is August (5.4km/h).
The calmest months (with the lowest average wind speed) are October and November (3.9km/h).
Average humidity in September
Kouankan, Guinea
- Average humidity in September: 92%
The month with the highest relative humidity is August (94%).
The month with the lowest relative humidity is January (38%).
Average rainfall in September
Kouankan, Guinea
- Average rainfall in September: 279mm
The wettest month (with the highest rainfall) is September (279mm).
The driest month (with the least rainfall) is December (1mm).
Average rainfall days in September
Kouankan, Guinea
- Average rainfall days in September: 29.1 days
The month with the highest number of rainy days is August (29.9 days).
The month with the least rainy days is December (2.1 days).
Average daylight in September /
Average sunshine in September
Kouankan, Guinea
- Average daylight in September: 12h and 12min
The month with the longest days is June (Average daylight: 12h and 36min).
The month with the shortest days is December (Average daylight: 11h and 36min).
- Average sunshine in September: 5h and 0min
The month with the most sunshine is December (Average sunshine: 9h and 54min).
The month with the least sunshine is August (Average sunshine: 3h and 12min).
Average sunshine days in September
Kouankan, Guinea
- Average sunshine days in September: 0.4 days
The month with the most sunshine days is December (28.6 days).
The month with the least sunshine days is August (0.3 days).
Average UV index in September
Kouankan, Guinea
- Average UV index in September: 6
The months with the highest UV index are February and March (UV index 7).
The months with the lowest UV index are June, July and August (UV index 5).
Average cloud cover in September
Kouankan, Guinea
- Average cloud cover in September: 77
The month with the most cloud cover is August (Cloud cover 87).
The month with the least cloud cover is December (Cloud cover 10).
Average visibility in September
Kouankan, Guinea
- Average visibility in September: 5km
The months with the highest visibility are January and December (10km).
The months with the lowest visibility are July, August and September (5km).





