September weather forecast
Koro, Ivory Coast

September

Weather in September

The first month of the autumn, September, is also a moderately hot month in Koro, Ivory Coast, with an average temperature varying between 20.5°C (68.9°F) and 28.7°C (83.7°F).

Temperature

The start of September marks an average high-temperature of a still warm 28.7°C (83.7°F), hardly distinguishable from the conditions in August. Koro records an average nighttime low of 20.5°C (68.9°F) in September.

Heat index

The heat index value for September is calculated to be a fiery hot 35°C (95°F). Undertake special precautions, the probability of heat exhaustion and heat cramps is high. Prolonged activity may provoke heatstroke.
Bear in mind that the heat index values are determined for shaded areas and light breezes. Direct sunlight exposure may result in a rise of the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'feels like', integrates the air's temperature and its humidity to showcase the felt temperature by people. An individual's temperature experience can be influenced by extra factors, including metabolic differences, activity levels, and clothing. Sunshine, when direct, has the potential to intensify weather effects, leading to an increase in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly critical for babies and toddlers. Children commonly overlook the importance of rest and fluid replenishment. Thirst, being a delayed sign of dehydration, emphasizes the need to keep hydration up, especially during lengthy physical activities.
The body's innate mechanism to counteract overheating is through perspiration, as it leverages the cooling effects of sweat evaporation. During high air temperature and humidity (high heat index), the process of perspiration is hindered, intensifying the sensation of heat. Accumulating heat beyond the body's cooling measures leads to rising temperatures and potential ailments.

Humidity

The average relative humidity in September in Koro, Ivory Coast, is 87%.

Rainfall

In Koro, in September, it is raining for 25.6 days, with typically 156mm (6.14") of accumulated precipitation. Throughout the year, there are 163.8 rainfall days, and 892mm (35.12") of precipitation is accumulated.

Daylight

In September, the average length of the day is 12h and 10min.
On the first day of the month, sunrise is at 06:21 and sunset at 18:37. On the last day of September, in Koro, sunrise is at 06:18 and sunset at 18:21 GMT.

Sunshine

The average sunshine in September is 7.4h.

UV index

The months with the lowest UV index are July through September, with an average maximum UV index of 6. A UV Index reading of 6 to 7 represents a high threat to health from exposure to the Sun's UV rays for the average person.
Note: A maximum daily UV index of 6 during September morphs into the following directions:
Take precautions against overexposure. Protection against sun damage is needed. Seek shade and minimize exposure to direct Sun in a period between 10 a.m. and 4 p.m. when UV radiation is most intense; keep in mind that shade structures like parasols or canopies do not provide perfect sun protection. Employ a hat with a wide brim for robust protection, cutting UV exposure by half.

Frequently asked questions

How hot is it in Koro in September?
During September, Koro experiences an average high-temperature of 28.7°C (83.7°F) and a low-temperature of 20.5°C (68.9°F). In September, the average heat index (a.k.a. 'felt air temperature', 'feels like'), which combines relative humidity and air temperature, is calculated to be 35°C (95°F).
What is the average humidity in September in Koro?
The average relative humidity in September in Koro, Ivory Coast, is 87%.
How many days does it rain in September in Koro?
In Koro, Ivory Coast, in September, it is raining for 25.6 days, with typically 156mm (6.14") of accumulated precipitation.
How many hours of daylight does Koro have in September?
In September, the average day length in Koro, Ivory Coast, is 12h and 10min.
When is the sunrise / sunset in September in Koro?
On the first day of September, sunrise is at 06:21 and sunset at 18:37. On the last day of the month, sunrise is at 06:18 and sunset at 18:21 GMT.
How long on average sun shines in September in Koro?
In September, the average sunshine duration is 7.4h.
When is the lowest UV index in Koro?
The months with the lowest UV index in Koro, Ivory Coast, are July through September, with an average maximum UV index of 6.
How high is the UV index in September in Koro?
The average daily maximum UV index in September in Koro is 6. A UV Index estimate 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
Koro, Ivory Coast
  • Average high temperature in September: 28.7°C

The warmest month (with the highest average high temperature) is March (37.5°C).
The month with the lowest average high temperature is August (28°C).

  • Average low temperature in September: 20.5°C

The month with the highest average low temperature is April (23.9°C).
The coldest month (with the lowest average low temperature) is December (18.4°C).

Average pressure in September
Koro, Ivory Coast
  • Average pressure in September: 1012.7mbar

The month with the highest atmospheric pressure is July (1013.3mbar).
The months with the lowest atmospheric pressure are March and April (1009.5mbar).

Average wind speed in September
Koro, Ivory Coast
  • Average wind speed in September: 5.7km/h

The windiest month (with the highest average wind speed) is February (8.9km/h).
The calmest month (with the lowest average wind speed) is September (5.7km/h).

Average humidity in September
Koro, Ivory Coast
  • Average humidity in September: 87%

The month with the highest relative humidity is August (88%).
The month with the lowest relative humidity is January (19%).

Average rainfall in September
Koro, Ivory Coast
  • Average rainfall in September: 156mm

The wettest month (with the highest rainfall) is August (223mm).
The driest month (with the least rainfall) is December (0mm).

Average rainfall days in September
Koro, Ivory Coast
  • Average rainfall days in September: 25.6 days

The month with the highest number of rainy days is August (27.3 days).
The month with the least rainy days is December (0.4 days).

Average daylight in September /
Average sunshine in September
Koro, Ivory Coast
  • 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: 7h and 2min

The month with the most sunshine is December (Average sunshine: 9h and 54min).
The month with the least sunshine is August (Average sunshine: 6h and 12min).

Average sunshine days in September
Koro, Ivory Coast
  • Average sunshine days in September: 3.4 days

The month with the most sunshine days is December (30.6 days).
The month with the least sunshine days is August (2.3 days).

Average UV index in September
Koro, Ivory Coast
  • Average UV index in September: 6

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

Average cloud cover in September
Koro, Ivory Coast
  • Average cloud cover in September: 51

The month with the most cloud cover is August (Cloud cover 63).
The month with the least cloud cover is December (Cloud cover 6).

Average visibility in September
Koro, Ivory Coast
  • Average visibility in September: 7km

The months with the highest visibility are January, February, March, April, May, November and December (10km).
The months with the lowest visibility are August and September (7km).

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