September weather forecastOno, Ivory Coast
September
Weather in September
The first month of the autumn, September, is also a moderately hot month in Ono, Ivory Coast, with an average temperature fluctuating between 27.1°C (80.8°F) and 23°C (73.4°F).Temperature
September's presence records an average high-temperature of a still moderately hot 27.1°C (80.8°F), closely mirroring August's climate. Ono marks an average drop to a still moderately hot 23°C (73.4°F) during nighttime in September, following the high of the day.Heat index
The heat index value during September is estimated at a tropical 31°C (87.8°F). Prolonged activity during exposure might result in a state of fatigue and cause heat cramps.Factoring in the heat index, values are geared towards shaded areas with light breezes. When exposed to the direct sun, the heat index may augment by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'feels like', quantifies the warmth felt when relative humidity is considered. An individual's perception of weather can be affected by a variety of elements including metabolic differences, being pregnant, and their level of physical exertion. Awareness is key; direct sunlight can enhance the weather's impact, possibly boosting the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially vital to children. Young people are generally more susceptible than adults because they perspire less. Furthermore, their proportionally larger skin surface to their petite bodies and the increased heat output from their actions add to the risk.
Humidity
The most humid month is September, with an average relative humidity of 88%.Rainfall
In Ono, in September, during 26 rainfall days, 81mm (3.19") of precipitation is typically accumulated. Throughout the year, there are 291.5 rainfall days, and 1061mm (41.77") of precipitation is accumulated.Daylight
The average length of the day in September is 12h and 9min.On the first day of the month, sunrise is at 06:07 and sunset at 18:20. On the last day of September, sunrise is at 06:01 and sunset at 18:06 GMT.
Sunshine
The average sunshine in September is 5.4h.UV index
The months with the lowest UV index are June through September, with an average maximum UV index of 6. A UV Index of 6 to 7 symbolizes a high threat to health from exposure to the Sun's UV rays for ordinary individuals.Note: The maximum UV index of 6 during September translates into these guidelines:
Escape overexposure. People with light skin may incur burns in fewer than 20 minutes. Stay in the shade and avoid direct Sun exposure from 10 a.m. to 4 p.m., a period when UV radiation is particularly strong, noting that parasols or canopies may not offer total sun protection. Prioritize a wide-brim hat for comprehensive sun defense for your face, neck, eyes, and ears.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Ono, Ivory Coast
- Average high temperature in September: 27.1°C
The warmest month (with the highest average high temperature) is January (31.5°C).
The month with the lowest average high temperature is August (26.8°C).
- Average low temperature in September: 23°C
The month with the highest average low temperature is April (25.9°C).
The coldest month (with the lowest average low temperature) is August (22.8°C).
Average pressure in September
Ono, Ivory Coast
- Average pressure in September: 1013.1mbar
The month with the highest atmospheric pressure is July (1014mbar).
The months with the lowest atmospheric pressure are February and March (1010mbar).
Average wind speed in September
Ono, Ivory Coast
- Average wind speed in September: 10.5km/h
The windiest month (with the highest average wind speed) is August (11.8km/h).
The calmest month (with the lowest average wind speed) is December (8.3km/h).
Average humidity in September
Ono, Ivory Coast
- Average humidity in September: 88%
The month with the highest relative humidity is September (88%).
The month with the lowest relative humidity is January (76%).
Average rainfall in September
Ono, Ivory Coast
- Average rainfall in September: 81mm
The wettest month (with the highest rainfall) is June (184mm).
The driest month (with the least rainfall) is January (43mm).
Average rainfall days in September
Ono, Ivory Coast
- Average rainfall days in September: 26 days
The month with the highest number of rainy days is October (29.6 days).
The month with the least rainy days is January (18.4 days).
Average daylight in September /
Average sunshine in September
Ono, Ivory Coast
- Average daylight in September: 12h and 6min
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 48min).
- Average sunshine in September: 5h and 24min
The month with the most sunshine is May (Average sunshine: 9h and 30min).
The month with the least sunshine is August (Average sunshine: 5h and 0min).
Average sunshine days in September
Ono, Ivory Coast
- Average sunshine days in September: 2.1 days
The month with the most sunshine days is January (9.9 days).
The month with the least sunshine days is November (0.7 days).
Average UV index in September
Ono, Ivory Coast
- 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
Ono, Ivory Coast
- Average cloud cover in September: 64
The month with the most cloud cover is August (Cloud cover 65).
The month with the least cloud cover is January (Cloud cover 25).
Average visibility in September
Ono, Ivory Coast
- Average visibility in September: 8km
The months with the highest visibility are January, February, March, April, May, June and December (10km).
The month with the lowest visibility is September (8km).





