September weather forecast
Canchungo, Guinea-Bissau

September witnesses a reduction in rainfall from 254mm (10") to 133mm (5.24"), thus marking the gradual end of the monsoon. Despite the reduced rainfall, the humidity remains high at 80%. September offers an array of weather patterns ranging from surprising drizzles to warm, sunny afternoons. These changes provide an interesting weather contrast.

Temperature

The commencement of September in Canchungo notes an average high-temperature of a tropical 30.9°C (87.6°F), exhibiting little difference from the previous month. The nights of September in Canchungo anticipate an average low-temperature of 24.7°C (76.5°F).

Heat index

September's heat index is appraised at a scorching 41°C (105.8°F). Additional precautions are required to avert heat cramps and heat exhaustion. Persistent activity may culminate in heatstroke.
From a standpoint of the heat index, values pertain to shaded conditions and mild breezes. The direct sunshine could escalate the heat index values by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'felt air temperature', integrates the air's temperature and its humidity to showcase the felt temperature by people. This effect is personal, influenced by the individual's physical activity and heat sensitivity, shaped by factors including wind, attire, and metabolic variations. It is essential to be conscious of the fact that direct sunlight can intensify the felt heat, leading to an elevation in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values hold particular importance for children. Kids frequently ignore the importance of taking a break and rehydrating. Thirst is a late symptom of dehydration - thus, it is crucial to stay hydrated, especially during long-lasting physical activities.
To offset high temperatures, the human body releases sweat which, upon evaporation, cools it down. During high air temperature and humidity (high heat index), the process of perspiration is hindered, intensifying the sensation of heat. Rising body temperatures due to excess heat retention could signify impending heat disorders.

Humidity

In September, the average relative humidity is 80%.

Rainfall

In September, the rain falls for 20.5 days. Throughout September, 133mm (5.24") of precipitation is accumulated. Throughout the year, in Canchungo, there are 103.1 rainfall days, and 677mm (26.65") of precipitation is accumulated.

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

In Canchungo, the average sunshine in September is 7.3h.

UV index

The months with the highest UV index 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 risk from exposure to the Sun's UV radiation for ordinary individuals.
Note: In September, the maximum UV index of 7 suggests this advice:
Exercise precautions and adapt sun safety practices. Defence against skin and eye affliction is paramount. During the period from 10 a.m. to 4 p.m., UV radiation is highest. Try to avoid direct sunlight during these hours. Sun protection is enhanced with clothing that boasts a tight weave yet offers a loose fit.