September weather forecastFermessadou, Guinea
September
Weather in September
September, the first month of the autumn in Fermessadou, is also a moderately hot month, with an average temperature varying between 26.8°C (80.2°F) and 19.2°C (66.6°F).Temperature
The commencement of September records an average high-temperature of a still moderately hot 26.8°C (80.2°F), barely varying from August's 25.4°C (77.7°F). Throughout the month of September, Fermessadou witnesses an average low-temperature of 19.2°C (66.6°F).Humidity
In Fermessadou, the average relative humidity in September is 92%.Rainfall
September is the month with the most rainfall in Fermessadou. Rain falls for 29.1 days and accumulates 279mm (10.98") of precipitation.Daylight
The average length of the day in September in Fermessadou is 12h and 10min.On the first day of September, sunrise is at 06:31 and sunset at 18:49. On the last day of the month, sunrise is at 06:28 and sunset at 18:31 GMT.
Sunshine
In September, the average sunshine in Fermessadou is 5h.UV index
The average daily maximum UV index in September in Fermessadou is 6. A UV Index value of 6 to 7 symbolizes a high threat to health from unsafe exposure to UV radiation for the average person.Note: In September, the maximum UV index of 6 translates into these guidelines:
Guard oneself from overexposure. Defence against sun injury is vital. Minimize exposure to direct sunlight and seek shade from 10 a.m. to 4 p.m., when UV radiation is most intense, but remember that shade structures may not offer complete protection. For a sun-safe wardrobe, go for clothes that are tightly woven and generously sized.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Fermessadou, 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
Fermessadou, 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
Fermessadou, 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
Fermessadou, 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
Fermessadou, 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
Fermessadou, 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
Fermessadou, 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
Fermessadou, 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
Fermessadou, 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
Fermessadou, 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
Fermessadou, 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).
