September weather forecast
Aldeia, Guinea-Bissau

The first month of the autumn, September, is still a hot month in Aldeia, Guinea-Bissau, with an average temperature varying between 31.7°C (89.1°F) and 23°C (73.4°F).

Temperature

The arrival of September sees a recorded average high-temperature of a still hot 31.7°C (89.1°F), showing little divergence from the previous month's conditions. During September nights, Aldeia witnesses a consistent average temperature of 23°C (73.4°F).

Heat index

The heat index for September is evaluated at a life-threatening hot 45°C (113°F). On guard: Heat exhaustion and heat cramps are predicted. Heatstroke is a potential hazard with continuous physical effort.
Realize that the values for the heat index are set for shaded places and light winds. Exposure to direct sunlight may make the heat index values climb by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'apparent temperature', is found by incorporating humidity levels into the air temperature measurement. Additional factors encompassing metabolic differences, the level of physical activity, and clothing can impact the individual's perception of temperature. When you're directly under the sun's rays, remember that the heat index may surge by 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly meaningful for babies and toddlers. Typically, children face more danger than adults as they usually perspire less. Their larger skin surface relative to their small bodies and increased heat output from their activities enhance their risk.
To offset high temperatures, the human body releases sweat which, upon evaporation, cools it down. Under high air temperature coupled with high humidity (high heat index), the body's perspiration is reduced, intensifying the sensation of heat. Heat-related complications, like dehydration, can manifest if the body's heat gain exceeds its dissipation capacity.

Humidity

The average relative humidity in September is 85%.

Rainfall

In Aldeia, during September, the rain falls for 23.9 days and regularly aggregates up to 145mm (5.71") of precipitation. In Aldeia, Guinea-Bissau, during the entire year, the rain falls for 107.6 days and collects up to 593mm (23.35") of precipitation.

Daylight

The average length of the day in September is 12h and 11min.
On the first day of the month, sunrise is at 06:48 and sunset at 19:09. On the last day of September, sunrise is at 06:48 and sunset at 18:49 GMT.

Sunshine

In Aldeia, the average sunshine in September is 7.2h.

UV index

The average daily maximum UV index in September is 7. A UV Index estimate of 6 to 7 represents a high threat to health from exposure to the Sun's UV radiation for ordinary individuals.
Note: The UV index of 7 during September translates into the following guidance:
Conform to measures and uphold sun safety traditions. Warding off skin and eye harm is necessary. 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. Protect your eyes, ears, face, and neck from the Sun by wearing a wide-brimmed hat.