September weather forecast
Bachile, Guinea-Bissau

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

Temperature

As August transitions into September, the average high-temperature rests at a tropical 30.9°C (87.6°F), maintaining a close resemblance to the previous month. Nighttime temperatures in September average to a warm 24.7°C (76.5°F).

Heat index

September's heat index is estimated at a scorching 41°C (105.8°F). Incorporate extra safety measures to avoid heat exhaustion and heat cramps. Continuous activity could provoke heatstroke.
Heat index's context suggests values are appropriate for shady areas and slight breezes. 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', unifies temperature and humidity readings to offer a comprehensive feel of warmth. Additional elements encompassing metabolic differences, the degree of physical activity, and attire can impact the individual's perception of temperature. One's exposure to direct sunlight has the potential to intensify the heat sensation, increasing the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely significant for babies and toddlers. Youngsters generally face more threats than adults given their lesser ability to sweat. Coupled with their larger skin surface relative to their small bodies and higher heat production due to their activities, they are more endangered.
The physiological way the human body responds to excessive heat is by inducing perspiration, using sweat evaporation as a cooling mechanism. Increased relative humidity interferes with body cooling by slowing the rate of evaporation, resulting in a slower body cooling rate and a heightened feeling of heat. Elevated heat gain compared to the body's release capability poses risks of dehydration and potential overheating.

Humidity

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

Rainfall

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

Daylight

In September, the average length of the day 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, sunrise is at 06:53 and sunset at 18:54 GMT.

Sunshine

The average sunshine in September in Bachile, Guinea-Bissau, is 7.3h.

UV index

The months with the highest UV index in Bachile are January through June, September through December, with an average maximum UV index of 7. A UV Index reading of 6 to 7 represents a high health vulnerability from unsafe exposure to UV radiation for average individuals.
Note: The UV index of 7 during September leads to these advisories:
Guard against overexposure. Protection from sun-induced harm is essential. Stay in the shade and avoid direct Sun exposure from 10 a.m. to 4 p.m., a period when UV radiation is particularly strong, noting that parasols or canopies may not offer total sun protection. Always opt for UVA and UVB-resistant sunglasses on radiant days.