September weather forecast
Bouna, Ivory Coast

September

Weather in September

September indicates a gradual decrease in temperatures, rainfall, and humidity in Bouna, marking the eventual retreat of the rainy season. A decline in rainfall from 170mm (6.69") to 130mm (5.12") signifies the arrival of drier times. Enjoying the local cuisine in outdoor cafes and fresh nature walks marks the end of the monsoon season. Tranquil and peaceful exhibitions make every evening appear extraordinary. The enthusiasm amongst the people is evident with various cultural events taking place.

Temperature

The average high-temperature for September is a hot 30.3°C (86.5°F), closely aligning with the temperature of the preceding month. Bouna's nights in September experience an average temperature drop to a pleasant 21.9°C (71.4°F).

Heat index

September's heat index is estimated at a blisteringly hot 40°C (104°F). More safety actions are required, heat exhaustion and heat cramps are probable. Long-term activity may precipitate heatstroke.
In terms of the heat index, values are set with light wind and shade conditions in mind. Direct sunlight might cause an increase of up to 15 Fahrenheit (8 Celsius) degrees in the heat index.
Note: The heat index, also known as 'feels like' or 'felt air temperature', is a calculation that merges air temperature and relative humidity to depict the sensation of warmth. Elements such as metabolic variations, pregnancy, and physical exertion can influence one's weather perception. When in direct sunlight, one should be cautious as it can raise the heat index by as much as 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly critical for babies and toddlers. Kids are usually more vulnerable than adults, given their lesser sweating ability. Along with their larger skin surface relative to their small stature and the excess heat due to their activity, their risk is amplified.
The physiological response of the human body to excess warmth is to perspire, thereby cooling itself through sweat evaporation. With an abundance of moisture present in the air, the process of evaporation becomes less effective, and the body fails to cool down as it should, leading to the sensation of overheating. Heat-related complications, like dehydration, can manifest if the body's heat gain exceeds its dissipation capacity.

Humidity

With an average relative humidity of 83%, September is the most humid month.

Rainfall

In September, the rain falls for 24.2 days. Throughout September, 130mm (5.12") of precipitation is accumulated. In Bouna, Ivory Coast, during the entire year, the rain falls for 152.1 days and collects up to 715mm (28.15") of precipitation.

Daylight

In Bouna, the average length of the day in September is 12h and 10min.
On the first day of September in Bouna, sunrise is at 06:03 and sunset at 18:20. On the last day of the month, sunrise is at 06:00 and sunset at 18:03 GMT.

Sunshine

In Bouna, the average sunshine in September is 8h.

UV index

In Bouna, the average daily maximum UV index in September is 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: In September, the UV index of 7 transforms into the following advice:
Guard oneself from overexposure. Defence against sun injury is vital. UV radiation from the Sun is most intense between 10 a.m. and 4 p.m. Try to avoid direct sunlight during this period. A wide-brimmed hat is a staple for defending the face, eyes, ears, and neck from the Sun.

Frequently asked questions

Is it hot during September?
The average high-temperature, in September, in Bouna, is 30.3°C (86.5°F), while the average low-temperature is 21.9°C (71.4°F). In September, the average heat index (a.k.a. 'feels like', 'felt air temperature'), which combines air temperature and relative humidity, is estimated at 40°C (104°F).
What is the most humid month?
The most humid month is September, with an average relative humidity of 83%.
What is the average humidity in September?
In Bouna, the average relative humidity in September is 83%.
How much does it rain in September?
In September, the rain falls for 24.2 days. Throughout September, 130mm (5.12") of precipitation is accumulated.
How many hours of daylight does Bouna have in September?
In September, the average day length is 12h and 10min.
What time are sunrise and sunset in September?
In September, on the first day of the month, sunrise is at 06:03 and sunset at 18:20. On the last day of the month, sunrise is at 06:00 and sunset at 18:03 GMT.
How many hours of sunshine does Bouna have in September?
In Bouna, the average sunshine duration in September is 8h.
How high is the UV index in September?
The average daily maximum UV index in September is 7. A UV Index estimate of 6 to 7 represents a high health vulnerability 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 - Bouna, Ivory Coast
Average temperature in September
Bouna, Ivory Coast
  • Average high temperature in September: 30.3°C

The warmest month (with the highest average high temperature) is March (39.4°C).
The month with the lowest average high temperature is August (29.5°C).

  • Average low temperature in September: 21.9°C

The month with the highest average low temperature is April (25.8°C).
The coldest month (with the lowest average low temperature) is January (20.3°C).

Average pressure in September - Bouna, Ivory Coast
Average pressure in September
Bouna, Ivory Coast
  • Average pressure in September: 1012.3mbar

The month with the highest atmospheric pressure is July (1012.9mbar).
The month with the lowest atmospheric pressure is March (1008.6mbar).

Average wind speed in September - Bouna, Ivory Coast
Average wind speed in September
Bouna, Ivory Coast
  • Average wind speed in September: 6.2km/h

The windiest month (with the highest average wind speed) is April (8.7km/h).
The calmest month (with the lowest average wind speed) is November (5.9km/h).

Average humidity in September - Bouna, Ivory Coast
Average humidity in September
Bouna, Ivory Coast
  • Average humidity in September: 83%

The month with the highest relative humidity is September (83%).
The month with the lowest relative humidity is January (17%).

Average rainfall in September - Bouna, Ivory Coast
Average rainfall in September
Bouna, Ivory Coast
  • Average rainfall in September: 130mm

The wettest month (with the highest rainfall) is August (170mm).
The driest months (with the least rainfall) are January and December (0mm).

Average rainfall days in September - Bouna, Ivory Coast
Average rainfall days in September
Bouna, Ivory Coast
  • Average rainfall days in September: 24.2 days

The month with the highest number of rainy days is August (24.7 days).
The month with the least rainy days is January (0.4 days).

Average daylight in September / Average sunshine in September - Bouna, Ivory Coast
Average daylight in September /
Average sunshine in September
Bouna, Ivory Coast
  • 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 36min).

  • Average sunshine in September: 8h and 0min

The month with the most sunshine is May (Average sunshine: 11h and 24min).
The month with the least sunshine is August (Average sunshine: 6h and 18min).

Average sunshine days in September - Bouna, Ivory Coast
Average sunshine days in September
Bouna, Ivory Coast
  • Average sunshine days in September: 4.5 days

The month with the most sunshine days is January (30.5 days).
The month with the least sunshine days is August (4.4 days).

Average UV index in September - Bouna, Ivory Coast
Average UV index in September
Bouna, Ivory Coast
  • Average UV index in September: 7

The months with the highest UV index are February, March, April and November (UV index 8).
The months with the lowest UV index are July and August (UV index 6).

Average cloud cover in September - Bouna, Ivory Coast
Average cloud cover in September
Bouna, Ivory Coast
  • Average cloud cover in September: 48

The month with the most cloud cover is August (Cloud cover 56).
The months with the least cloud cover are January and December (Cloud cover 5).

Average visibility in September - Bouna, Ivory Coast
Average visibility in September
Bouna, Ivory Coast
  • Average visibility in September: 8km

The months with the highest visibility are January, February, March, April, May, June, November and December (10km).
The months with the lowest visibility are August and September (8km).

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