September weather forecastKetou, Benin

Weather in September

The first month of the autumn, September, is a hot month in Ketou, Benin, with an average temperature fluctuating between 22.6°C (72.7°F) and 30.6°C (87.1°F).

Temperature

Transitioning into September, Ketou records an average high-temperature of a hot 30.6°C (87.1°F), almost identical to August's 29.8°C (85.6°F). In Ketou, September is marked by an average low-temperature of 22.6°C (72.7°F).

Heat index

In September, the heat index is evaluated at an extremely hot 41°C (105.8°F). Implement enhanced safety actions, heat cramps and heat exhaustion could occur. Sustained activity might result in heatstroke.
It is noted that heat index values are ascertained for locations in the shade and with gentle breezes. The direct sunshine could escalate the heat index values by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'felt air temperature', is a numerical representation of warmth when taking temperature and moisture levels into account. One's perception of weather can be shaped by other factors, involving metabolic differences, pregnancy, and physical exertion. In the direct sunlight, the weather's impact can be amplified, possibly boosting the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are primarily vital for children. Juveniles are regularly less conscious of the need to recuperate and rehydrate. Thirst is a tardy symptom of dehydration - hydration, especially during lengthy physical activities, should be maintained.
One way the human body deals with excessive warmth is by perspiring and allowing sweat to evaporate. When the relative humidity is high, the evaporation rate is reduced. The warmth is removed from the body at a lower rate, causing the body to retain more heat than it would in dry air. Elevated heat gain compared to the body's release capability poses risks of dehydration and potential overheating.

Humidity

September is the most humid month, with an average relative humidity of 84%.

Rainfall

In Ketou, in September, during 26.5 rainfall days, 119mm (4.69") of precipitation is typically accumulated. In Ketou, during the entire year, the rain falls for 207.1 days and collects up to 739mm (29.09") of precipitation.

Daylight

In Ketou, the average length of the day in September is 12h and 10min.
On the first day of the month, sunrise is at 06:41 and sunset at 18:57. On the last day of September, in Ketou, Benin, sunrise is at 06:37 and sunset at 18:41 WAT.

Sunshine

The average sunshine in September is 6.5h.

UV index

In September, the average daily maximum UV index is 7. A UV Index reading of 6 to 7 represents a high health risk from unprotected exposure to Sun's UV rays for the average person.
Note: In September, a daily UV index of 7 turns into the following recommendations:
Resist overexposure. Safeguarding from solar damage is indispensable. 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 hat with a broad brim is indispensable, filtering out up to half of UV rays.