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 commencement of September introduces an average high-temperature of a still warm 26.8°C (80.2°F), closely mirroring the preceding month. During September, the nighttime temperature averages of 19.2°C (66.6°F).Humidity
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 06:31 and sunset at 18:48. On the last day of September, sunrise is at 06:28 and sunset at 18:31 GMT.
Sunshine
In Meliandou, the average sunshine in September is 5h.UV index
The average daily maximum UV index in September is 6. A UV Index estimate of 6 to 7 represents a high health risk from unsafe exposure to UV radiation for ordinary individuals.Note: A daily high UV index of 6 in September leads to these guidelines:
Embrace precautions and observe sun safety norms. Evasion of sunburn is a necessity. Try to minimize direct Sun exposure between 10 a.m. and 4 p.m., the peak period for UV radiation. Also note that objects like parasols or canopies might not provide complete sun protection. For excellent sun protection for the eyes, ears, face, and neck, consider a wide-brim hat.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in September?
What is the average humidity in September?
What is the wettest month?
How many days does it rain in September?
How many hours of daylight does Meliandou have in September?
What time are sunrise and sunset in September?
How many hours of sunshine does Meliandou have in September?
How high is the UV index in September?
Average temperature in September
Meliandou, 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
Meliandou, 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
Meliandou, 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
Meliandou, 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
Meliandou, 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
Meliandou, 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
Meliandou, Guinea
- Average daylight in September: 12h and 1min
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
Meliandou, 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
Meliandou, 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
Meliandou, 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
Meliandou, 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).
