September weather forecastAlembe, Gabon

Weather in September

September in Alembe, Gabon marks the onset of another humid phase with the month's relative humidity rising to 80%. There's an upsurge in the amount of precipitation as well, from 11mm (0.43") in August to 62mm (2.44") in September. Yet, a consistent high temperature around 30.7°C (87.3°F) accompanied by steady daylight hours is maintained. It is interesting to witness the weather fluctuations and transitions as September unfolds. This shift brings about a wetter demeanor in Alembe's weather landscape, echoing the return of the monsoon climate.

Temperature

As Alembe steps into September, the average high-temperature is a still tropical 30.7°C (87.3°F), identical to August. Alembe, during the nights of September, experiences an average temperature drop to an agreeable 22.2°C (72°F).

Heat index

In September, the heat index is appraised at a scorching 40°C (104°F). Adopt additional preventive measures, heat cramps and heat exhaustion are potential outcomes. Prolonged activity may trigger heatstroke.
Heat index data is primarily for areas with shade and subjected to light winds. Under direct sunshine, the heat index values might be elevated by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'apparent temperature', determines the feeling of heat when you account for the relative humidity. The effect is personal, with varied weather perceptions among individuals due to differences in body mass, stature, and physical activity. It is noteworthy that being in direct sunlight can enhance the weather's impact, raising the heat index by as much as 15 Fahrenheit (8 Celsius) degrees. Heat index values are quite important for babies and toddlers. Young individuals are generally in more danger than adults due to their lower capacity to sweat. Moreover, their large skin surface in relation to their small bodies and the increased heat generation from their activities makes them more vulnerable.
The process of perspiration is vital for the human body to get rid of excess warmth by allowing sweat to evaporate. In situations of high air temperature combined with high humidity (significant heat index), the body's ability to perspire is reduced, heightening the sense of warmth. When body temperature rises due to excess heat gain beyond its removal capability, one might experience heat-related disorders.

Humidity

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

Rainfall

In September, the rain falls for 19.2 days. Throughout September, 62mm (2.44") of precipitation is accumulated. In Alembe, during the entire year, the rain falls for 263 days and collects up to 1311mm (51.61") of precipitation.

Daylight

The average length of the day in September is 12h and 7min.
On the first day of September in Alembe, sunrise is at 06:12 and sunset at 18:18. On the last day of the month, sunrise is at 06:02 and sunset at 18:09 WAT.

Sunshine

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

UV index

The months with the lowest UV index are March, May through November, with an average maximum UV index of 6. A UV Index estimate of 6 to 7 represents a high threat to health from unsafe exposure to UV radiation for ordinary individuals.
Note: The daily high UV index of 6 in September translates into this advice:
Persist with safeguards and heed sun safety doctrines. Keeping sunburn at bay is of prime importance. Avoid direct Sun exposure and seek shade between 10 a.m. and 4 p.m., when UV radiation is at its peak, but keep in mind that not all shade structures provide complete protection. A hat with a broad brim is indispensable, filtering out up to half of UV rays.