September weather forecastBolia, Ivory Coast
September
Weather in September
September, the first month of the autumn in Bolia, is also a moderately hot month, with an average temperature fluctuating between 21.2°C (70.2°F) and 29.5°C (85.1°F).Temperature
Bolia starts September with an average high-temperature of a still moderately hot 29.5°C (85.1°F), a minor shift from August's 29.1°C (84.4°F). In September, the temperature drops to an average of 21.2°C (70.2°F) at night.Heat index
In September, the average heat index is calculated to be a torrid 39°C (102.2°F). Adopt special protective actions against heat exhaustion and heat cramps. Long-duration activity risks heatstroke.It is important to note that the heat index values are for shaded areas and light wind scenarios. The presence of direct sunlight can raise the heat index values by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'feels like', offers an insight into how hot it feels when we factor in moisture content. One's perception of temperature can vary depending on physical activity and individual heat sensitivity, influenced by factors like wind, attire, and metabolic variations. Given direct exposure to sunlight, one might experience a rise in the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely significant for children. Youngsters typically face more danger than adults since they sweat less. Their larger skin surface compared to their small bodies and heightened heat production from their activities augment their vulnerability.
To cool down, the human body relies on perspiration, a process where excessive heat is eliminated as sweat evaporates. An upsurge in relative humidity affects normal body cooling mechanisms by slowing evaporation, hence reducing the rate at which the body cools and intensifying the perception of heat. When heat gain exceeds the level the body can remove, body temperature begins to rise, and heat-related illnesses and disorders may develop.
Humidity
The most humid month is September, with an average relative humidity of 89%.Rainfall
The month with the most rainfall is September, when the rain falls for 24.1 days and typically aggregates up to 125mm (4.92") of precipitation.Daylight
The average length of the day in September is 12h and 10min.On the first day of September, sunrise is at 06:18 and sunset at 18:32. On the last day of the month, sunrise is at 06:13 and sunset at 18:17 GMT.
Sunshine
In September, the average sunshine is 5.2h.UV index
The average daily maximum UV index in September in Bolia, Ivory Coast, is 6. A UV Index value of 6 to 7 symbolizes a high health hazard from exposure to the Sun's UV radiation for the average person.Note: An average UV index of 6 in September transforms into this advice:
Undertake precautions and comply with sun safety standards. Protection from skin and eye injury is vital. Attempt to stay under shade and limit exposure to the Sun between 10 a.m. and 4 p.m., when UV radiation is at its peak. Remember, devices such as parasols or canopies might not provide complete sun protection. Arm yourself against UV rays' harm with protective apparel and UV-filtering shades.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Bolia, Ivory Coast
- Average high temperature in September: 29.5°C
The warmest month (with the highest average high temperature) is February (36.1°C).
The month with the lowest average high temperature is August (29.1°C).
- Average low temperature in September: 21.2°C
The month with the highest average low temperature is April (22.9°C).
The coldest month (with the lowest average low temperature) is January (20°C).
Average pressure in September
Bolia, Ivory Coast
- Average pressure in September: 1013mbar
The month with the highest atmospheric pressure is July (1013.9mbar).
The months with the lowest atmospheric pressure are February and March (1010mbar).
Average wind speed in September
Bolia, Ivory Coast
- Average wind speed in September: 5km/h
The windiest months (with the highest average wind speed) are July and August (6km/h).
The calmest month (with the lowest average wind speed) is November (4.4km/h).
Average humidity in September
Bolia, Ivory Coast
- Average humidity in September: 89%
The month with the highest relative humidity is September (89%).
The month with the lowest relative humidity is January (49%).
Average rainfall in September
Bolia, Ivory Coast
- Average rainfall in September: 125mm
The wettest month (with the highest rainfall) is September (125mm).
The driest month (with the least rainfall) is December (8mm).
Average rainfall days in September
Bolia, Ivory Coast
- Average rainfall days in September: 24.1 days
The month with the highest number of rainy days is October (25.3 days).
The month with the least rainy days is January (5.8 days).
Average daylight in September /
Average sunshine in September
Bolia, Ivory Coast
- Average daylight in September: 12h and 12min
The month with the longest days is June (Average daylight: 12h and 30min).
The month with the shortest days is December (Average daylight: 11h and 42min).
- Average sunshine in September: 5h and 12min
The month with the most sunshine is January (Average sunshine: 9h and 36min).
The month with the least sunshine is August (Average sunshine: 4h and 54min).
Average sunshine days in September
Bolia, Ivory Coast
- Average sunshine days in September: 4.5 days
The month with the most sunshine days is January (23.3 days).
The month with the least sunshine days is October (4 days).
Average UV index in September
Bolia, Ivory Coast
- Average UV index in September: 6
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 June and August (UV index 5).
Average cloud cover in September
Bolia, Ivory Coast
- Average cloud cover in September: 76
The month with the most cloud cover is August (Cloud cover 77).
The month with the least cloud cover is January (Cloud cover 19).
Average visibility in September
Bolia, Ivory Coast
- Average visibility in September: 5km
The months with the highest visibility are January, February and December (9km).
The month with the lowest visibility is September (5km).





