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
Weather in September
Temperature
September brings an average high-temperature of a still moderately hot 27.1°C (80.8°F), showing a slight difference from August's 26.8°C (80.2°F). Bertoua in September experiences a low-temperature average of 19.3°C (66.7°F).Heat index
The average heat index in September is appraised at a tropical 31°C (87.8°F). Prolonged exposure combined with continuous activity could lead to exhaustion, and possibly heat cramps.One should be cognizant that the heat index values are tailored for shaded spots and mild winds. The direct sun can potentially cause the heat index to increase by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'felt air temperature', is a composite of temperature and humidity figures to convey how warm it feels. The impact of temperature is individual, as people's perception of weather may change based on their body mass, height, and physical activity. Exposure to direct sun rays can influence the heat you feel, pushing the heat index up by 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly important for children. Young children are generally more endangered than adults, as they usually less sweat. And also, due to larger skin surface relative to their small bodies and higher heat production as a result of their activity.
Humidity
The most humid month in Bertoua is September, with an average relative humidity of 90%.Rainfall
In Bertoua, during September, the rain falls for 27.2 days and regularly aggregates up to 148mm (5.83") of precipitation. In Bertoua, during the entire year, the rain falls for 224.1 days and collects up to 1117mm (43.98") of precipitation.Daylight
In Bertoua, the average length of the day in September is 12h and 8min.On the first day of the month, sunrise is at 05:59 and sunset at 18:11. On the last day of September, sunrise is at 05:52 and sunset at 17:57 WAT.
Sunshine
September and October, with an average of 6.7h of sunshine, are months with the least sunshine.UV index
The months with the lowest UV index are July through September, with an average maximum UV index of 5. A UV Index value of 3 to 5 symbolizes a moderate threat to health from unsafe exposure to UV radiation for the ordinary person.Note: A daily maximum UV index of 5 in September translates into the following instructions:
Undertake precautions - Guarding against sun damage is counselled. The Sun's radiation is especially intense around midday; try to stay in shade during this period. Protect your eyes, ears, face, and neck from the Sun by wearing a wide-brimmed hat.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average September temperature?
What is the most humid month?
What is the average humidity in September?
How many days does it rain in September?
What is the average length of the day in September?
When is the sunrise / sunset in September?
What is the month with the least sunshine?
How many hours of sunshine does Bertoua have in September?
What are the months with the lowest UV index?
How high is the UV index in September?
Average temperature in September
Bertoua, Cameroon
- Average high temperature in September: 27.1°C
The warmest month (with the highest average high temperature) is February (35.2°C).
The month with the lowest average high temperature is August (26.8°C).
- Average low temperature in September: 19.3°C
The months with the highest average low temperature are February and March (22.1°C).
The coldest month (with the lowest average low temperature) is July (19.2°C).
Average pressure in September
Bertoua, Cameroon
- Average pressure in September: 1012.7mbar
The month with the highest atmospheric pressure is July (1013.5mbar).
The month with the lowest atmospheric pressure is February (1009.2mbar).
Average wind speed in September
Bertoua, Cameroon
- Average wind speed in September: 5.9km/h
The windiest month (with the highest average wind speed) is February (7.7km/h).
The calmest month (with the lowest average wind speed) is October (5.3km/h).
Average humidity in September
Bertoua, Cameroon
- Average humidity in September: 90%
The month with the highest relative humidity is September (90%).
The month with the lowest relative humidity is January (34%).
Average rainfall in September
Bertoua, Cameroon
- Average rainfall in September: 148mm
The wettest month (with the highest rainfall) is October (175mm).
The driest month (with the least rainfall) is December (2mm).
Average rainfall days in September
Bertoua, Cameroon
- Average rainfall days in September: 27.2 days
The month with the highest number of rainy days is August (28.4 days).
The month with the least rainy days is December (1.9 days).
Average daylight in September /
Average sunshine in September
Bertoua, Cameroon
- Average daylight in September: 12h and 1min
The month with the longest days is June (Average daylight: 12h and 24min).
The month with the shortest days is December (Average daylight: 11h and 54min).
- Average sunshine in September: 6h and 4min
The month with the most sunshine is April (Average sunshine: 10h and 24min).
The months with the least sunshine are September and October (Average sunshine: 6h and 42min).
Average sunshine days in September
Bertoua, Cameroon
- Average sunshine days in September: 1.6 days
The month with the most sunshine days is January (28.2 days).
The month with the least sunshine days is August (1.3 days).
Average UV index in September
Bertoua, Cameroon
- Average UV index in September: 5
The months with the highest UV index are January, February, March, April, November and December (UV index 7).
The months with the lowest UV index are July, August and September (UV index 5).
Average cloud cover in September
Bertoua, Cameroon
- Average cloud cover in September: 62
The month with the most cloud cover is August (Cloud cover 64).
The month with the least cloud cover is January (Cloud cover 8).
Average visibility in September
Bertoua, Cameroon
- Average visibility in September: 6km
The months with the highest visibility are January, February, March and December (10km).
The months with the lowest visibility are August and September (6km).
Bertoua, Cameroon
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