September weather forecastOkolo, Gabon

Weather in September

The first month of the spring, September, is also a hot month in Okolo, Gabon, with temperature in the range of an average high of 30.7°C (87.3°F) and an average low of 22.2°C (72°F).

Temperature

The start of September brings an average high temperature of a still hot 30.7°C (87.3°F), closely paralleling August's weather. During September, the average low-temperature is an agreeable 22.2°C (72°F).

Heat index

The heat index value for September is calculated to be a blistering 40°C (104°F). Adopt extra safety steps, risk of heat exhaustion and heat cramps is notable. Sustained activity might cause heatstroke.
Records show heat index calculations are tailored for shaded regions and mild winds. The heat index could see an increase by 15 Fahrenheit (8 Celsius) degrees under direct sunshine.
Note: The heat index, also known as 'real feel' or 'feels like', gauges the sensation of temperature factoring in the air's moisture content. The impact of weather is personal, differing among a variety of people based on differences in body mass, height, and the level 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 especially vital to children. Children commonly overlook the importance of rest and fluid replenishment. Thirst, being a delayed sign of dehydration, emphasizes the need to keep hydration up, especially during lengthy physical activities.
Perspiration is the human body's physiological response to high temperatures and is an attempt to lower body temperature through evaporation of sweat. When relative humidity is heightened, it slows the rate of evaporation, thereby decreasing the body's ability to shed heat and creating a sensation of overheating. When body temperature rises due to an imbalance in heat gain, there's a potential for dehydration and overheating.

Humidity

In Okolo, Gabon, the average relative humidity in September is 80%.

Rainfall

In September, in Okolo, the rain falls for 19.2 days. Throughout September, 62mm (2.44") of precipitation is accumulated. Throughout the year, in Okolo, there are 263 rainfall days, and 1311mm (51.61") of precipitation is accumulated.

Daylight

The average length of the day in September is 12h and 7min.
On the first day of the month, sunrise is at 06:18 and sunset at 18:24. On the last day of September, sunrise is at 06:08 and sunset at 18:15 WAT.

Sunshine

September has the least sunshine of the year, with an average of 5.2h of sunshine.

UV index

The months with the lowest UV index in Okolo are March, May through November, with an average maximum UV index of 6. A UV Index value of 6 to 7 symbolizes a high health vulnerability from exposure to the Sun's UV radiation for the average person.
Note: In September, an average UV index of 6 transforms into the following instructions:
Shield from overexposure. Defense against sun-related harm is required. Stay in the shade and limit direct sun exposure between 10 a.m. and 4 p.m., when UV radiation is at its strongest. Remember, however, that not all shade structures provide full sun protection. In bright sunlight, prioritize sunglasses that grant protection from UVA and UVB radiation.