September weather forecastKiessene, Guinea
September
Weather in September
The first month of the autumn, September, is still a warm month in Kiessene, Guinea, with an average temperature fluctuating between 26.8°C (80.2°F) and 19.2°C (66.6°F).Temperature
Kiessene experiences an average high-temperature of a still moderately hot 26.8°C (80.2°F) with the onset of September, subtly varied from August's 25.4°C (77.7°F). In Kiessene, September nights cool down to an average of 19.2°C (66.6°F).Humidity
In Kiessene, the average relative humidity in September 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
The average length of the day in September in Kiessene is 12h and 10min.On the first day of the month, sunrise is at 06:32 and sunset at 18:48. On the last day of September, sunrise is at 06:28 and sunset at 18:31 GMT.
Sunshine
The average sunshine in September in Kiessene is 5h.UV index
The average daily maximum UV index in September in Kiessene is 6. A UV Index reading of 6 to 7 represents a high health hazard from unprotected exposure to Sun's UV rays for the ordinary person.Note: In September, an average UV index of 6 transforms into the following instructions:
Beware of overexposure. Fair-skinned individuals risk burning in less than 20 minutes. Stay in the shade and avoid direct Sun exposure from 10 a.m. to 4 p.m., a time when UV radiation is at its strongest, and remember that parasols or canopies do not offer full protection. Consider a wide-brim hat essential for effective sun defense covering your face, neck, and eyes.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Kiessene, 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
Kiessene, 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
Kiessene, 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
Kiessene, 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
Kiessene, 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
Kiessene, 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
Kiessene, 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
Kiessene, 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
Kiessene, 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
Kiessene, 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
Kiessene, 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).
