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

September's average high-temperature stands at a still warm 29.1°C (84.4°F), showing little deviation from August's 29.5°C (85.1°F). An average minimum temperature of 20.7°C (69.3°F) marks the month of September.

Heat index

Throughout September, the heat index is appraised at a torrid 37°C (98.6°F). Undertake extra safety actions, heat cramps and heat exhaustion are expected. Heatstroke may result from lengthy activity.
Heat index guidelines indicate values are for light wind scenarios and shaded regions. Direct sunlight has the potential to heighten heat index values by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'felt air temperature', ties air temperature with relative humidity to produce the perceived temperature sensation. The effect is personal, with varied weather perceptions among individuals due to differences in body mass, stature, and physical activity. You should know that direct sun exposure can heighten weather effects, potentially elevating the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly critical for babies and toddlers. Children regularly disregard the necessity to rest and replenish fluids. Thirst is a late symptom of dehydration - thus, maintaining hydration, particularly during long-lasting physical activities, is essential.
Perspiration and the resultant sweat evaporation are the body's natural thermostat, helping regulate temperature. 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 dehydration threats arise when heat gain goes beyond what the body can comfortably shed.

Humidity

The average relative humidity in September is 87%.

Rainfall

In Ayem, in September, it is raining for 26.1 days, with typically 146mm (5.75") of accumulated precipitation. Throughout the year, there are 313.6 rainfall days, and 1610mm (63.39") of precipitation is accumulated.

Daylight

September has the shortest days of the year, with an average of 12h and 6min of daylight.
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

The average sunshine in September 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 value of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV radiation for ordinary individuals.
Note: A daily maximum UV index of 5 in September translates into the following instructions:
Be vigilant - Suggestions to stave off sun damage are provided. When the Sun's UV radiation is most intense during midday, it's best to find shade and limit exposure. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure.