September weather forecastGagnoa, Ivory Coast
September
Weather in September
The tropical realism reinstates with a vengeance in September. Humidity reaches its annual climax, with a relative humidity indicator reading 90%. This month also records a peak in cloud cover, standing at 81%. Despite the city's sunshine being reduced to an average of 4.6 hours daily, the city maintains an appealing outdoor vibe. Wind gusts hit their zenith as an adoring natural accessory to Gagnoa's tropical climate.Temperature
In September, Gagnoa's weather conditions record an average high-temperature of a still warm 29.5°C (85.1°F), demonstrating little divergence from the preceding month. In the month of September, the temperature in Gagnoa generally rests at an average low of 21.3°C (70.3°F).Heat index
During September, the heat index is appraised at a very hot 39°C (102.2°F). Undertake additional safety actions, risk of heat cramps and heat exhaustion is significant. Persistent activity may induce heatstroke.Heat index guidelines indicate values are for light wind scenarios and shaded regions. The heat index could see an increase by 15 Fahrenheit (8 Celsius) degrees under direct sunshine.
Note: The heat index, also known as 'apparent temperature' or 'felt air temperature', represents the fusion of temperature and moisture in the air to suggest how warm it feels. The impression of weather on a person can be swayed by additional aspects, including metabolic variations, pregnancy, and activity levels. Direct sun rays can make one feel hotter, potentially raising the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are quite important for children. Children frequently do not comprehend the need for rest and hydration. Thirst is an advanced stage of dehydration - staying hydrated, especially during extended physical exercises, is essential.
Evaporating sweat, an outcome of perspiration, is key in assisting the human body to moderate its temperature. A surge in relative humidity can disrupt the body's normal cooling function by slowing evaporation, hence reducing the rate at which the body cools and intensifying the perception of heat. Overheating and dehydration threats arise when heat gain goes beyond what the body can comfortably shed.
Humidity
With an average relative humidity of 90%, September is the most humid month.Rainfall
In Gagnoa, in September, during 27.3 rainfall days, 120mm (4.72") of precipitation is typically accumulated. In Gagnoa, Ivory Coast, during the entire year, the rain falls for 261.6 days and collects up to 919mm (36.18") of precipitation.Daylight
In September, the average length of the day is 12h and 9min.On the first day of the month, sunrise is at 06:16 and sunset at 18:30. On the last day of September, sunrise is at 06:11 and sunset at 18:15 GMT.
Sunshine
August and September, with an average of 4.6h of sunshine, are months with the least sunshine in Gagnoa, Ivory Coast.UV index
The months with the lowest UV index are June, August and September, with an average maximum UV index of 5. A UV Index value of 3 to 5 symbolizes a moderate threat to health from unprotected exposure to Sun's UV rays for the ordinary person.Note: An average maximum UV index of 5 in September leads to these recommendations:
Be vigilant - Preventing sunburn is recommended. UV radiation from the Sun is most dangerous during midday; take precautions and seek shade. 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
Gagnoa, Ivory Coast
- Average high temperature in September: 29.5°C
The warmest month (with the highest average high temperature) is January (35.8°C).
The month with the lowest average high temperature is July (29°C).
- Average low temperature in September: 21.3°C
The month with the highest average low temperature is March (23°C).
The coldest month (with the lowest average low temperature) is July (20.6°C).
Average pressure in September
Gagnoa, Ivory Coast
- Average pressure in September: 1013mbar
The month with the highest atmospheric pressure is July (1014mbar).
The month with the lowest atmospheric pressure is February (1009.9mbar).
Average wind speed in September
Gagnoa, Ivory Coast
- Average wind speed in September: 5.1km/h
The windiest month (with the highest average wind speed) is August (5.9km/h).
The calmest month (with the lowest average wind speed) is November (4.4km/h).
Average humidity in September
Gagnoa, Ivory Coast
- Average humidity in September: 90%
The month with the highest relative humidity is September (90%).
The month with the lowest relative humidity is January (62%).
Average rainfall in September
Gagnoa, Ivory Coast
- Average rainfall in September: 120mm
The wettest month (with the highest rainfall) is October (161mm).
The driest month (with the least rainfall) is January (13mm).
Average rainfall days in September
Gagnoa, Ivory Coast
- Average rainfall days in September: 27.3 days
The month with the highest number of rainy days is October (29.6 days).
The month with the least rainy days is January (9.6 days).
Average daylight in September /
Average sunshine in September
Gagnoa, 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 48min).
- Average sunshine in September: 4h and 36min
The month with the most sunshine is January (Average sunshine: 9h and 18min).
The months with the least sunshine are August and September (Average sunshine: 4h and 36min).
Average sunshine days in September
Gagnoa, Ivory Coast
- Average sunshine days in September: 2 days
The month with the most sunshine days is January (16.8 days).
The month with the least sunshine days is October (0.5 days).
Average UV index in September
Gagnoa, Ivory Coast
- Average UV index in September: 5
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, August and September (UV index 5).
Average cloud cover in September
Gagnoa, Ivory Coast
- Average cloud cover in September: 81
The month with the most cloud cover is September (Cloud cover 81).
The month with the least cloud cover is January (Cloud cover 29).
Average visibility in September
Gagnoa, Ivory Coast
- Average visibility in September: 5km
The months with the highest visibility are January, February, March and December (8km).
The months with the lowest visibility are September and October (5km).





