September weather forecast
Douala, Cameroon

englishespañol中文
Share

Weather in September

By September, Douala begins to reclaim its inherent warmth as the rainy season concludes. Both rainfall frequency and volume decrease. A gradual increase in sunlight brings a mild pleasantness to the otherwise humid atmosphere. Despite this, Douala still receives considerable rain, but nowhere near the amount received in the preceding months. September rainfall averages at 165mm (6.5"), a steady decline from August.

Temperature

The high-temperature average in September for Douala is a still moderately hot 28.7°C (83.7°F), staying closely aligned with August's conditions. Douala, in September, witnesses an average low-temperature of 23.4°C (74.1°F).

Heat index

September's heat index is estimated at a sweltering 35°C (95°F). Adopt enhanced safety measures, heat exhaustion and heat cramps could occur. Continuous activity may induce heatstroke.
One should consider that heat index numbers are for shaded settings and light wind. Under direct sunshine, the heat index values might be elevated by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'real feel', 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. Awareness of direct sun exposure is crucial as it has the potential to heighten the weather's effects, pushing up the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely significant for children. Kids often lack the knowledge about the necessity to take breaks and consume liquids. Thirst, as a late symptom of dehydration, necessitates the maintenance of hydration, particularly during enduring physical activities.
The human body normally cools itself by perspiration, as evaporated sweat carries heat away from the body. In the presence of elevated relative humidity, the evaporation rate decreases. This reduction leads to increased body heat retention compared to conditions of dry air. When body heat isn't effectively managed, risks of dehydration and overheating amplify.

Humidity

In Douala, Cameroon, the average relative humidity in September is 84%.

Rainfall

In September, the rain falls for 25.8 days. Throughout September, 165mm (6.5") of precipitation is accumulated. In Douala, Cameroon, during the entire year, the rain falls for 272.8 days and collects up to 1382mm (54.41") of precipitation.

Sea temperature

In Douala, the average seawater temperature in September is 26.6°C (79.9°F).
Note: Temperatures between 25°C (77°F) and 29°C (84.2°F) in water are ideal for swimming, diving, and other activities, providing enjoyment and comfort for extended durations.

Daylight

In September, the average length of the day in Douala is 12h and 8min.
On the first day of the month, sunrise is at 06:15 and sunset at 18:26. On the last day of September, in Douala, sunrise is at 06:08 and sunset at 18:13 WAT.

Sunshine

In September, the average sunshine is 7h.

UV index

June through September, with an average maximum UV index of 6, are months with the lowest UV index in Douala. A UV Index value of 6 to 7 symbolizes a high health hazard from unprotected exposure to Sun's UV rays for the ordinary person.
Note: During September, 6 as the daily maximum UV index converts into the following advice:
Stay clear of intense sun exposure. Solar protection is of utmost significance. 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. Sunglasses that guard against UVA and UVB rays are pivotal in minimizing sun-induced ocular damage. Caution! Sand and water surfaces escalate the UV intensity from the Sun.

Frequently asked questions

How hot does it get in Douala in September?

In Douala, 28.7°C (83.7°F) is the average high-temperature and 23.4°C (74.1°F) is the average low-temperature during September. In September, the average heat index (a.k.a. 'feels like', 'real feel'), which represents the influence of relative humidity on air temperature, is estimated at 35°C (95°F).

What is the average humidity in September in Douala?

In September, the average relative humidity in Douala is 84%.

How much does it rain in Douala in September?

In Douala, Cameroon, during September, the rain falls for 25.8 days and regularly aggregates up to 165mm (6.5") of precipitation.

What is the water temperature in September in Douala?

In Douala, the average seawater temperature in September is 26.6°C (79.9°F). Water temperature between 25°C (77°F) and 29°C (84.2°F) is regarded as very warm and enjoyable by all. With these temperatures, water activities are pleasurable, without feeling uncomfortable for prolonged periods.

How many hours of daylight does Douala have in September?

The average day length in September in Douala, Cameroon, is 12h and 8min.

When are sunrise and sunset in September in Douala?

On the first day of September in Douala, Cameroon, sunrise is at 06:15 and sunset at 18:26. On the last day of the month, sunrise is at 06:08 and sunset at 18:13 WAT.

How long on average sun shines in September in Douala?

In September, the average sunshine duration in Douala, Cameroon, is 7h.

When is the lowest UV index in Douala?

The months with the lowest UV index are June through September, with an average maximum UV index of 6.

What is the UV index intensity in September in Douala?

In Douala, the average daily maximum UV index in September is 6. A UV Index reading of 6 to 7 represents a high health risk from exposure to the Sun's UV radiation.

Average temperature in September
Douala, Cameroon

Average temperature in September - Douala, Cameroon
  • Average high temperature in September: 28.7°C

The warmest months (with the highest average high temperature) are January and February (33.7°C).
The months with the lowest average high temperature are July and August (27.9°C).

  • Average low temperature in September: 23.4°C

The month with the highest average low temperature is March (25.6°C).
The coldest months (with the lowest average low temperature) are July and September (23.4°C).

Average pressure in September
Douala, Cameroon

Average pressure in September - Douala, Cameroon
  • Average pressure in September: 1013.1mbar

The month with the highest atmospheric pressure is July (1013.9mbar).
The month with the lowest atmospheric pressure is February (1010.1mbar).

Average wind speed in September
Douala, Cameroon

Average wind speed in September - Douala, Cameroon
  • Average wind speed in September: 6.7km/h

The windiest month (with the highest average wind speed) is August (7.9km/h).
The calmest months (with the lowest average wind speed) are October and November (6km/h).

Average humidity in September
Douala, Cameroon

Average humidity in September - Douala, Cameroon
  • Average humidity in September: 84%

The month with the highest relative humidity is July (86%).
The months with the lowest relative humidity are January and February (72%).

Average rainfall in September
Douala, Cameroon

Average rainfall in September - Douala, Cameroon
  • Average rainfall in September: 165mm

The wettest month (with the highest rainfall) is July (249mm).
The driest month (with the least rainfall) is December (23mm).

Average rainfall days in September
Douala, Cameroon

Average rainfall days in September - Douala, Cameroon
  • Average rainfall days in September: 25.8 days

The months with the highest number of rainy days are July and October (28 days).
The month with the least rainy days is December (14.3 days).

Average sea temperature in September
Douala, Cameroon

Average sea temperature in September - Douala, Cameroon
  • Average sea temperature in September: 26.6°C

The best month for swimming (with the highest average sea temperature) is April (28.8°C).
The coldest month (with the lowest average sea temperature) is August (25.7°C).

Average daylight in September /
Average sunshine in September
Douala, Cameroon

Average daylight in September / Average sunshine in September - Douala, 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: 7h and 0min

The month with the most sunshine is December (Average sunshine: 9h and 24min).
The month with the least sunshine is July (Average sunshine: 5h and 36min).

Average sunshine days in September
Douala, Cameroon

Average sunshine days in September - Douala, Cameroon
  • Average sunshine days in September: 3.1 days

The month with the most sunshine days is January (10.8 days).
The month with the least sunshine days is October (2 days).

Average UV index in September
Douala, Cameroon

Average UV index in September - Douala, Cameroon
  • Average UV index in September: 6

The months with the highest UV index are January, February, March, April, May, October, November and December (UV index 7).
The months with the lowest UV index are June, July, August and September (UV index 6).

Average cloud cover in September
Douala, Cameroon

Average cloud cover in September - Douala, Cameroon
  • Average cloud cover in September: 55

The month with the most cloud cover is July (Cloud cover 65).
The month with the least cloud cover is December (Cloud cover 21).

Average visibility in September
Douala, Cameroon

Average visibility in September - Douala, Cameroon
  • Average visibility in September: 9km

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

Douala, Cameroon

Weather forecast for your location

1. Click Locate me button
2. Allow the app to use your location