September weather forecast
Iboundji, Gabon

September, the first month of the spring in Iboundji, is also a hot month, with an average temperature fluctuating between 30.9°C (87.6°F) and 21.1°C (70°F).

Temperature

Iboundji marks the onset of September with an average high-temperature of a still hot 30.9°C (87.6°F), subtly divergent from August's 32.3°C (90.1°F). Nighttime temperatures in Iboundji hover around an average low of 21.1°C (70°F) in September.

Heat index

September's mean heat index is appraised at an extremely hot 42°C (107.6°F). Implement enhanced safety actions, heat cramps and heat exhaustion could occur. Sustained activity might result in heatstroke.
The heat index's values are generally associated with conditions in shade and light breezes. Heat index values may be hiked up by 15 Fahrenheit (8 Celsius) degrees under direct sunshine.
Note: The heat index, also known as 'feels like' or 'apparent temperature', gauges the sensation of temperature factoring in the air's moisture content. The impact of weather is individual, with diverse individuals experiencing it differently due to variations in body mass, height, and activity levels. When in direct sunlight, one should be cautious as it can raise the heat index by as much as 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly important for 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.
In response to overheating, the human body perspires to cool down, mainly through the evaporation of sweat. Excessive relative humidity disturbs the body's typical cooling process by reducing evaporation, leading to a decrease in body cooling rate and an increase in the sensation of warmth. Overheating and potential dehydration arise when body heat gain eclipses its release capability.

Humidity

In Iboundji, the average relative humidity in September is 83%.

Rainfall

In Iboundji, during September, the rain falls for 28.1 days and regularly aggregates up to 149mm (5.87") of precipitation. Throughout the year, in Iboundji, there are 311.1 rainfall days, and 1474mm (58.03") of precipitation is accumulated.

Daylight

In September, the average length of the day is 12h and 6min.
On the first day of September, sunrise is at 06:09 and sunset at 18:14. On the last day of the month, sunrise is at 05:58 and sunset at 18:05 WAT.

Sunshine

In Iboundji, the average sunshine in September is 7.7h.

UV index

June, August through October, with an average maximum UV index of 6, are months with the lowest UV index in Iboundji. A UV Index reading of 6 to 7 represents a high threat to health from exposure to the Sun's UV radiation for ordinary individuals.
Note: The maximum daily UV index of 6 in September interprets into the following recommendations:
Act on precautions and pay attention to sun safety recommendations. Avoidance of sunburn is obligatory. Between 10 a.m. and 4 p.m., the Sun's UV radiation is at its peak. Limit your exposure to direct sunlight during these hours. Safeguard your eyes, ears, and face from sun rays with the aid of a wide-brim hat.