September weather forecast
Guinagourou, Benin

September marks the retreat of monsoons from Guinagourou with a decreased rainfall of 100mm (3.94"). The weather begins to change from the extreme rainfall and humidity of the previous months. Despite lesser rain, September still maintains high humidity. With the reducing rainfall, the weather starts to incline towards drier conditions.

Temperature

Entering September, the average high-temperature is recorded at a still warm 29.4°C (84.9°F), exhibiting a minimal shift from August's 28.4°C (83.1°F). In Guinagourou, the average temperature during the nights of September drops to a pleasant 21.9°C (71.4°F).

Heat index

The heat index in September is appraised at a torrid 37°C (98.6°F). Undertake additional safety actions, risk of heat cramps and heat exhaustion is significant. Persistent activity may induce heatstroke.
Keep in mind the heat index values are meant for areas in shade and with light wind. An exposure to direct sunlight may lift the heat index values by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'apparent temperature', is a numerical representation of warmth when taking temperature and moisture levels into account. An individual's perception of weather can be influenced by a variety of factors including metabolic differences, being pregnant, and their degree of physical exertion. Remember, direct sunlight exposure can heighten the heat impact and might increase the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are quite important for children. Children frequently underestimate the importance of resting and drinking fluids. Thirst is a symptom of advanced dehydration - hence the need to hydrate regularly, especially during protracted physical exercises.
The human body normally cools itself by perspiration, as evaporated sweat carries heat away from the body. Under conditions of high relative humidity, the rate of evaporation decreases. This results in the body retaining more heat than under conditions of dry air. If heat absorption exceeds the body's cooling ability, body temperature can elevate, resulting in potential thermal illnesses.

Humidity

The average relative humidity in September in Guinagourou is 85%.

Rainfall

In Guinagourou, Benin, during September, the rain falls for 23.5 days and regularly aggregates up to 100mm (3.94") of precipitation. Throughout the year, there are 139.7 rainfall days, and 607mm (23.9") of precipitation is accumulated.

Daylight

The average length of the day in September is 12h and 11min.
On the first day of September in Guinagourou, sunrise is at 06:39 and sunset at 18:56. On the last day of the month, sunrise is at 06:36 and sunset at 18:39 WAT.

Sunshine

In Guinagourou, the average sunshine in September is 7.4h.

UV index

In September, the average daily maximum UV index in Guinagourou 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, the maximum UV index of 7 suggests these recommendations:
Guard against overexposure. Protection from sun-induced harm is essential. UV radiation from the Sun is most intense between 10 a.m. and 4 p.m. Try to avoid direct sunlight during this period. Tightly woven clothing, when worn loosely, shields effectively against the Sun.