September weather forecast
Moungoundi, Gabon

September, the first month of the spring in Moungoundi, is also a moderately hot month, with temperature in the range of an average high of 29.3°C (84.7°F) and an average low of 21.2°C (70.2°F).

Temperature

Moungoundi's weather, upon September's arrival, documents an average high-temperature of a moderately hot 29.3°C (84.7°F), nearly identical to the prior month. An average low-temperature of 21.2°C (70.2°F) marks the nights throughout September.

Heat index

September's heat index is evaluated at a torrid 35°C (95°F). Take extra precautions, as heat cramps and heat exhaustion are possible. Sustained activity may result in heatstroke.
Data suggests that the heat index is set for environments in shade and with a light wind. 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 'felt air temperature', gives a temperature feeling by integrating air temperature and humidity. The influence of weather is personal, with varied individuals experiencing it differently due to differences in body mass, stature, and physical exertion levels. Direct sunlight can potentially raise the heat index by 15 Fahrenheit (8 Celsius) degrees, so it's crucial to consider. Heat index values are essentially critical for children. Young ones often ignore the need to take a break and drink fluids. Thirst is a late-stage symptom of dehydration - hence, maintaining hydration, particularly during extended physical activities, is crucial.
The natural cooling mechanism in humans involves perspiration, where the evaporation of sweat balances out excessive warmth. When there is an excess of moisture in the atmosphere, the efficiency of the evaporation process is lessened, leading to less efficient body cooling and a sensation of overheating. Overheating can ensue when the body accumulates more heat than it can release, and dehydration severity may vary.

Humidity

The average relative humidity in September is 77%.

Rainfall

In Moungoundi, during September, the rain falls for 18.1 days and regularly aggregates up to 44mm (1.73") of 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 in Moungoundi is 12h and 6min.
On the first day of the month, sunrise is at 06:12 and sunset at 18:15. On the last day of September, sunrise is at 06:00 and sunset at 18:08 WAT.

Sunshine

The average sunshine in September is 4.9h.

UV index

The months with the highest UV index are January through September, with an average maximum UV index of 6. A UV Index estimate of 6 to 7 represents a high health risk from unsafe exposure to UV radiation for the ordinary person.
Note: The UV index of 6 during September leads to these advisories:
Take precautions against overexposure. Fair-skinned people may get burned in less than 20 minutes. Avoid direct Sun exposure from 10 a.m. to 4 p.m., a period when UV radiation is most intense, and remember that not all shade structures provide full protection. To best shield against UV radiation, choose sun-safe garments and dependable sunglasses.