September weather forecast
Boudoum, Cameroon

September

Weather in September

The first month of the autumn, September, is also a hot month in Boudoum, Cameroon, with an average temperature fluctuating between 33°C (91.4°F) and 23.7°C (74.7°F).

Temperature

As Boudoum welcomes September, the average high-temperature stabilizes at a still tropical 33°C (91.4°F), showing little deviation from August's 30.8°C (87.4°F). In the month of September, the average low-temperature usually rests at a moderately hot 23.7°C (74.7°F).

Heat index

For September, the heat index is estimated at an extremely hot 41°C (105.8°F). Additional precautions are required to avert heat cramps and heat exhaustion. Persistent activity may culminate in heatstroke.
Take into consideration that the heat index values are calculated for shade and light wind conditions. A rise of up to 15 Fahrenheit (8 Celsius) degrees in the heat index could result from direct sunlight.
Note: The heat index, also known as 'real feel' or 'feels like', offers an insight into how hot it feels when we factor in moisture content. Factors encompassing physical activity, clothing, and metabolic differences have a role in shaping the individual's impression of temperature. When you're directly under the sun's rays, remember that the heat index may surge by 15 Fahrenheit (8 Celsius) degrees. Heat index values are quite important for babies and toddlers. 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.
To offset high temperatures, the human body releases sweat which, upon evaporation, cools it down. When the relative humidity is high, the evaporation rate is reduced. The warmth is removed from the body at a lower rate, causing the body to retain more heat than it would in dry air. Should the body fail to balance its heat gain, the escalating temperature poses health challenges.

Humidity

In Boudoum, the average relative humidity in September is 64%.

Rainfall

In September, the rain falls for 17.1 days. Throughout September, 62mm (2.44") of precipitation is accumulated. In Boudoum, Cameroon, during the entire year, the rain falls for 95.7 days and collects up to 400mm (15.75") of precipitation.

Daylight

In Boudoum, the average length of the day in September is 12h and 11min.
On the first day of the month, sunrise is at 05:54 and sunset at 18:13. On the last day of September, sunrise is at 05:52 and sunset at 17:55 WAT.

Sunshine

The average sunshine in September is 10.7h.

UV index

The months with the lowest UV index are January, July through September, November and December, with an average maximum UV index of 7. A UV Index estimate of 6 to 7 represents a high health hazard from unsafe exposure to UV radiation for the average person.
Note: A daily maximum UV index of 7 in September translates into the following instructions:
Take precautions against overexposure. Protection against sun damage is needed. 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. A wide-brimmed hat provides unparalleled sun protection for sensitive areas like the eyes, ears, and neck.

Frequently asked questions

How hot is it in September?
In Boudoum, in September, the average high-temperature is 33°C (91.4°F), and the average low-temperature is 23.7°C (74.7°F). In September, the average heat index (a.k.a. 'felt air temperature', 'apparent temperature'), which takes the relative humidity and factors it into the air temperature reading, is estimated at 41°C (105.8°F).
What is the average humidity in September?
The average relative humidity in September is 64%.
How many days does it rain in September?
In September, the rain falls for 17.1 days. Throughout September, 62mm (2.44") of precipitation is accumulated.
How many hours of daylight does Boudoum have in September?
In Boudoum, the average day length in September is 12h and 11min.
What time are sunrise and sunset in September?
In September, on the first day of the month, sunrise is at 05:54 and sunset at 18:13. On the last day of the month, sunrise is at 05:52 and sunset at 17:55 WAT.
How many hours of sunshine does Boudoum have in September?
In Boudoum, the average sunshine duration in September is 10.7h.
When is the lowest UV index?
The months with the lowest UV index are January, July through September, November and December, with an average maximum UV index of 7.
What is the UV index intensity in September?
The average daily maximum UV index in September is 7. A UV Index reading of 6 to 7 represents a high health risk from unprotected exposure to UV radiation.
Average high temperature
Average low temperature
Average wind speed
Average max. wind speed
Average wind speed gusts
Average humidity
Average rainfall
Average rainfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility
Average temperature in September - Boudoum, Cameroon
Average temperature in September
Boudoum, Cameroon
  • Average high temperature in September: 33°C

The warmest month (with the highest average high temperature) is April (40.8°C).
The month with the lowest average high temperature is August (30.8°C).

  • Average low temperature in September: 23.7°C

The month with the highest average low temperature is May (29.7°C).
The coldest month (with the lowest average low temperature) is January (18.9°C).

Average pressure in September - Boudoum, Cameroon
Average pressure in September
Boudoum, Cameroon
  • Average pressure in September: 1010.6mbar

The month with the highest atmospheric pressure is January (1011.7mbar).
The month with the lowest atmospheric pressure is April (1006.3mbar).

Average wind speed in September - Boudoum, Cameroon
Average wind speed in September
Boudoum, Cameroon
  • Average wind speed in September: 7km/h

The windiest month (with the highest average wind speed) is February (12.8km/h).
The calmest month (with the lowest average wind speed) is September (7km/h).

Average humidity in September - Boudoum, Cameroon
Average humidity in September
Boudoum, Cameroon
  • Average humidity in September: 64%

The month with the highest relative humidity is August (73%).
The month with the lowest relative humidity is March (12%).

Average rainfall in September - Boudoum, Cameroon
Average rainfall in September
Boudoum, Cameroon
  • Average rainfall in September: 62mm

The wettest month (with the highest rainfall) is August (154mm).
The driest months (with the least rainfall) are January, February, March, November and December (0mm).

Average rainfall days in September - Boudoum, Cameroon
Average rainfall days in September
Boudoum, Cameroon
  • Average rainfall days in September: 17.1 days

The month with the highest number of rainy days is August (24.3 days).
The months with the least rainy days are January and December (0 days).

Average daylight in September / Average sunshine in September - Boudoum, Cameroon
Average daylight in September /
Average sunshine in September
Boudoum, Cameroon
  • Average daylight in September: 12h and 1min

The month with the longest days is June (Average daylight: 12h and 42min).
The month with the shortest days is December (Average daylight: 11h and 30min).

  • Average sunshine in September: 10h and 4min

The month with the most sunshine is April (Average sunshine: 12h and 0min).
The month with the least sunshine is December (Average sunshine: 7h and 42min).

Average sunshine days in September - Boudoum, Cameroon
Average sunshine days in September
Boudoum, Cameroon
  • Average sunshine days in September: 10.6 days

The months with the most sunshine days are January and December (31 days).
The month with the least sunshine days is August (5.6 days).

Average UV index in September - Boudoum, Cameroon
Average UV index in September
Boudoum, Cameroon
  • Average UV index in September: 7

The month with the highest UV index is April (UV index 9).
The months with the lowest UV index are January, July, August, September, November and December (UV index 7).

Average cloud cover in September - Boudoum, Cameroon
Average cloud cover in September
Boudoum, Cameroon
  • Average cloud cover in September: 26

The month with the most cloud cover is August (Cloud cover 40).
The months with the least cloud cover are January and December (Cloud cover 1).

Average visibility in September - Boudoum, Cameroon
Average visibility in September
Boudoum, Cameroon
  • Average visibility in September: 10km

The months with the highest visibility are January, February, March, April, May, June, July, September, October, November and December (10km).
The month with the lowest visibility is August (9km).

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