September weather forecast
Bamal, Guinea-Bissau

The first month of the autumn, September, is a tropical month in Bamal, Guinea-Bissau, with an average temperature ranging between min 24.7°C (76.5°F) and max 30.9°C (87.6°F).

Temperature

With the transition into September, Bamal notes an average high-temperature of a tropical 30.9°C (87.6°F), closely resembling August. Throughout the nights in September, Bamal experiences an average low-temperature of 24.7°C (76.5°F).

Heat index

The heat index value during September is computed to be a blistering 41°C (105.8°F). Heightened precautions are necessary, heat cramps and heat exhaustion are potential risks. Continuous activity could lead to heatstroke.
Understanding the heat index involves considering values for shaded locales with light wind. The heat index might be elevated by 15 Fahrenheit (8 Celsius) degrees due to direct sun exposure.
Note: The heat index, also known as 'apparent temperature' or 'feels like', combines both the air temperature and the humidity level to give a perceived human temperature. Physical activity, clothing, and metabolic variations are additional factors that impact an individual's perception of temperature. Bear in mind that direct sunshine exposure increases weather impact, and may raise heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly important for children. Young ones regularly neglect the requirement for rest and fluid replenishment. Thirst is a late stage of dehydration - so, it is necessary to keep hydrated, particularly during extended periods of physical exertion.
The primary way humans combat excessive warmth is by perspiring, letting sweat evaporate and cool the body. When the air holds a significant amount of moisture, the efficiency of the evaporation process is decreased, preventing the body from cooling down efficiently, leading to the sensation of overheating. Excessive heat gain, when not shed effectively by the body, can result in increasing body temperatures and related hazards.

Humidity

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

Rainfall

In Bamal, during September, the rain falls for 20.5 days and regularly aggregates up to 133mm (5.24") of precipitation. In Bamal, Guinea-Bissau, during the entire year, the rain falls for 103.1 days and collects up to 677mm (26.65") of precipitation.

Daylight

In Bamal, the average length of the day in September is 12h and 11min.
On the first day of the month, sunrise is at 06:53 and sunset at 19:14. On the last day of September, in Bamal, sunrise is at 06:53 and sunset at 18:54 GMT.

Sunshine

In September, the average sunshine is 7.3h.

UV index

January through June, September through December, with an average maximum UV index of 7, are months with the highest UV index. A UV Index value of 6 to 7 symbolizes a high health hazard from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: In September, an average UV index of 7 transforms into the following instructions:
Persist with safeguards and heed sun safety doctrines. Keeping sunburn at bay is of prime importance. 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. 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.