September weather forecastNongoa, Guinea
September
Weather in September
September, the first month of the autumn in Nongoa, is also a moderately hot month, with temperature in the range of an average low of 19.2°C (66.6°F) and an average high of 26.8°C (80.2°F).Temperature
The arrival of September coincides with an average high-temperature of a still warm 26.8°C (80.2°F), indicating a minimal shift from August's 25.4°C (77.7°F). During September, Nongoa consistently records a temperature low averaging a refreshing 19.2°C (66.6°F).Humidity
In Nongoa, the average relative humidity in September is 92%.Rainfall
The month with the most rainfall is September, when the rain falls for 29.1 days and typically aggregates up to 279mm (10.98") of precipitation.Daylight
In September, the average length of the day is 12h and 10min.On the first day of the month, sunrise is at 06:32 and sunset at 18:49. On the last day of September, sunrise is at 06:29 and sunset at 18:32 GMT.
Sunshine
In Nongoa, the average sunshine in September is 5h.UV index
The average daily maximum UV index in September is 6. A UV Index value of 6 to 7 symbolizes a high threat to health from exposure to the Sun's UV rays for the ordinary person.Note: The maximum UV index of 6 during September translates into these guidelines:
Avoid overexposure. Fair-skinned individuals can burn in under 20 minutes. The time between 10 a.m. and 4 p.m. is when UV radiation is at its peak. Limit exposure to direct sunlight during these hours. Sun-related eye harm can be minimized with proper sunglasses offering UVA and UVB coverage.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Nongoa, 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
Nongoa, 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
Nongoa, 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
Nongoa, 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
Nongoa, 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
Nongoa, 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
Nongoa, 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
Nongoa, 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
Nongoa, 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
Nongoa, 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
Nongoa, 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).
