September weather forecast
Ndende, Gabon

September brings a moderate increase in rainfall in Ndende, reaching up to 44mm (1.73"), indicating the end of the naive dry spell. The number of sunshine days begins to dip, and the city prepares for the forthcoming rainy season. Cloud density goes up a notch, painting the cityscape with regular grey hues. Despite the onset of rain, the overall weather remains balanced, allowing inhabitants to carry on with their day-to-day lives. Even as the weather inclines towards being damp, there's something about the September air that brings along an enchanting freshness.

Temperature

The shift into September in Ndende records an average high-temperature of a moderately hot 29.3°C (84.7°F), subtly varied from August's 30.2°C (86.4°F). Ndende experiences an average low-temperature of 21.2°C (70.2°F) in the month of September.

Heat index

In September, the heat index is calculated to be a sweltering 35°C (95°F). Special measures are necessary to avoid heat cramps and heat exhaustion. Persistent activity could result in heatstroke.
The metrics for the heat index are tailored for both shady environments and light winds. When exposed to the direct sun, the heat index may augment by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'felt air temperature', shows a temperature sensation when both heat and moisture conditions are combined. The effect is experienced differently by individuals, hinging on unique characteristics such as body mass, stature, and level of activity. Consider that direct sun exposure can intensify the felt heat, adding potentially 15 Fahrenheit (8 Celsius) degrees to the heat index. Heat index values are primarily vital for children. Children often fail to recognize the requirement to rest and rehydrate. Thirst, being a late symptom of dehydration, underlines the importance of maintaining hydration, especially during ongoing physical activities.
For the human body, perspiration is the go-to method to regulate temperature, using sweat's evaporation to dissipate warmth. When the level of relative humidity is elevated, evaporation diminishes, causing more warmth to be retained in the body than in dry air. Elevated heat gain compared to the body's release capability poses risks of dehydration and potential overheating.

Humidity

In Ndende, Gabon, the average relative humidity in September is 77%.

Rainfall

In Ndende, in September, it is raining for 18.1 days, with typically 44mm (1.73") of accumulated precipitation. Throughout the year, there are 274.1 rainfall days, and 1640mm (64.57") of precipitation is accumulated.

Daylight

In September, the average length of the day is 12h and 6min.
On the first day of September in Ndende, sunrise is at 06:12 and sunset at 18:16. On the last day of the month, sunrise is at 06:00 and sunset at 18:08 WAT.

Sunshine

The average sunshine in September is 4.9h.

UV index

January through September, with an average maximum UV index of 6, are months with the highest UV index in Ndende. 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 during September translates into the following directions:
Eschew overexposure. Those with light skin may suffer burns in fewer than 20 minutes. Seek shade and minimize exposure to direct Sun in a period between 10 a.m. and 4 p.m. when UV radiation is most intense; keep in mind that shade structures like parasols or canopies do not provide perfect sun protection. Safeguard your eyes, ears, and face from sun rays with the aid of a wide-brim hat.