Contents
- Weather in September
- Frequently asked questions
- Average temperature in September
- Average pressure in September
- Average wind speed in September
- Average humidity in September
- Average rainfall in September
- Average rainfall days in September
- Average daylight in September
- Average sunshine in September
- Average sunshine days in September
- Average UV index in September
- Average cloud cover in September
- Average visibility in September
September
Weather in September
Temperature
The shift from August to September is characterized by an average high-temperature of a still moderately hot 26.3°C (79.3°F), not significantly different from the 25.3°C (77.5°F) of August. In September, Gaoual's temperature tends to fall to an average low of 18.7°C (65.7°F) during the night.Humidity
The average relative humidity in September is 88%.Rainfall
In Gaoual, during September, the rain falls for 29.3 days and regularly aggregates up to 226mm (8.9") of precipitation. Throughout the year, in Gaoual, there are 178.1 rainfall days, and 1406mm (55.35") of precipitation is accumulated.Daylight
In Gaoual, the average length of the day in September is 12h and 11min.On the first day of September, sunrise is at 06:42 and sunset at 19:02. On the last day of the month, sunrise is at 06:41 and sunset at 18:43 GMT.
Sunshine
The average sunshine in September is 7.4h.UV index
The average daily maximum UV index in September is 6. A UV Index estimate of 6 to 7 represents a high threat to health from unprotected exposure to Sun's UV rays for the ordinary person.Note: A maximum high UV index of 6 in September translates into the following recommendations:
Use measures and accept sun safety conventions. Guarding against skin and eye trauma is of high priority. Stay out of direct sunlight between 10 a.m. and 4 p.m., when UV radiation is most intense, and remember that not all shade structures provide complete protection. Your best bet for sun defense on the face, eyes, and neck is a hat with a wide brim.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in September?
What is the average humidity in September?
How many days does it rain in September?
How many hours of daylight does Gaoual have in September?
When are sunrise and sunset in September?
How long on average sun shines in September?
What is the UV index reading in September?
Average temperature in September
Gaoual, Guinea
- Average high temperature in September: 26.3°C
The warmest month (with the highest average high temperature) is April (35.9°C).
The month with the lowest average high temperature is August (25.3°C).
- Average low temperature in September: 18.7°C
The month with the highest average low temperature is May (21.2°C).
The coldest month (with the lowest average low temperature) is January (16.5°C).
Average pressure in September
Gaoual, Guinea
- Average pressure in September: 1013.2mbar
The month with the highest atmospheric pressure is July (1013.7mbar).
The month with the lowest atmospheric pressure is April (1010mbar).
Average wind speed in September
Gaoual, Guinea
- Average wind speed in September: 6.3km/h
The windiest month (with the highest average wind speed) is February (8.8km/h).
The calmest month (with the lowest average wind speed) is October (6.1km/h).
Average humidity in September
Gaoual, Guinea
- Average humidity in September: 88%
The month with the highest relative humidity is August (91%).
The month with the lowest relative humidity is February (23%).
Average rainfall in September
Gaoual, Guinea
- Average rainfall in September: 226mm
The wettest month (with the highest rainfall) is August (367mm).
The driest months (with the least rainfall) are January and December (0mm).
Average rainfall days in September
Gaoual, Guinea
- Average rainfall days in September: 29.3 days
The month with the highest number of rainy days is August (30.4 days).
The months with the least rainy days are January and December (0.3 days).
Average daylight in September /
Average sunshine in September
Gaoual, Guinea
- Average daylight in September: 12h and 1min
The month with the longest days is June (Average daylight: 12h and 48min).
The month with the shortest days is December (Average daylight: 11h and 30min).
- Average sunshine in September: 7h and 2min
The months with the most sunshine are February and March (Average sunshine: 9h and 54min).
The month with the least sunshine is August (Average sunshine: 5h and 30min).
Average sunshine days in September
Gaoual, Guinea
- Average sunshine days in September: 0.5 days
The month with the most sunshine days is December (30.7 days).
The month with the least sunshine days is July (0.3 days).
Average UV index in September
Gaoual, Guinea
- Average UV index in September: 6
The months with the highest UV index are January, February, March and April (UV index 7).
The month with the lowest UV index is August (UV index 5).
Average cloud cover in September
Gaoual, Guinea
- Average cloud cover in September: 53
The month with the most cloud cover is August (Cloud cover 70).
The months with the least cloud cover are February and March (Cloud cover 8).
Average visibility in September
Gaoual, Guinea
- Average visibility in September: 7km
The months with the highest visibility are January, February, March, April, May, November and December (10km).
The month with the lowest visibility is August (6km).
