September weather forecast
Ayem, Gabon

September introduces Ayem, Gabon to another phase in weather with a subtle shift towards more humidity and rainfall. There is a significant increase in rainfall volume from 68mm (2.68") of August to 146mm (5.75") in September. Despite the increased humidity, temperatures remain relatively stable, ensuring a consistent climate. Amidst the rainy days, the locals see more cloud cover, which affects the daytime illumination noticeably.

Temperature

The advent of September signifies a minor shift to an average high-temperature of a still warm 29.1°C (84.4°F), aligning closely with August. During the nights in September, Ayem observes an average low-temperature of 20.7°C (69.3°F).

Heat index

September's mean heat index is evaluated at a torrid 37°C (98.6°F). Implement additional preventive actions, heat cramps and heat exhaustion are potential hazards. Heatstroke could follow prolonged activity.
Be informed that the heat index values are oriented around shady conditions and gentle breezes. Heat index values have the potential to be boosted by 15 Fahrenheit (8 Celsius) degrees due to direct sunlight.
Note: The heat index, also known as 'apparent temperature' or 'felt air temperature', is a composite of temperature and humidity figures to convey how warm it feels. This effect tends to be personal, with the weather perception differing among individuals due to variations in body mass, height, and exertion. In the direct sunlight, the weather's impact can be amplified, possibly boosting the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are essentially critical for children. Young ones generally face higher dangers than adults since they sweat less. Along with their large skin surface area compared totheir small bodies and increased heat production from their activities, the risks are heightened.
Evaporation of sweat is the main factor behind the cooling effect of perspiration in the human body. In circumstances of high air temperature and humidity (high heat index), the body's perspiration is restricted, heightening the feeling of warmth. When the heat gained surpasses the body's cooling capacity, temperatures rise, signaling potential health concerns.

Humidity

The average relative humidity in September is 87%.

Rainfall

In September, the rain falls for 26.1 days. Throughout September, 146mm (5.75") of precipitation is accumulated. In Ayem, during the entire year, the rain falls for 313.6 days and collects up to 1610mm (63.39") of precipitation.

Daylight

With an average of 12h and 6min of daylight, September has the shortest days of the year in Ayem, Gabon.
On the first day of the month, sunrise is at 06:11 and sunset at 18:17. On the last day of September, in Ayem, sunrise is at 06:00 and sunset at 18:07 WAT.

Sunshine

In September, the average sunshine is 5.5h.

UV index

September and October, with an average maximum UV index of 5, are months with the lowest UV index. A UV Index reading of 3 to 5 represents a moderate threat to health from unprotected exposure to Sun's UV rays for average individuals.
Note: In September, a daily UV index of 5 turns into the following recommendations:
Exercise prudence. Persons with fair skin could be burned in under 30 minutes. For skin protection, it's recommended to minimize Sun exposure during its peak hours around midday. By wearing a generously brimmed hat, you can cut UV radiation exposure significantly.