September weather forecast
Galomaro, Guinea-Bissau

September brings a gradual decline to the monsoon, with rainfall decreasing to 168mm (6.61") and the humidity reducing slightly to 85%. A lowering in cloud% to 55% indicates the transitioning weather conditions. A slight increase in sunshine hours brings warmth and cheer to the city. Despite reducing rainfall, the temperatures remain relatively consistent, maintaining a tropical feel in Galomaro. The month of September marks the retreat of the monsoon and paves the way for drier conditions.

Temperature

With the start of September, Galomaro measures an average high-temperature of a tropical 30.9°C (87.6°F), not significantly differing from August's 29.9°C (85.8°F). Throughout the nights in September, an average low-temperature of 23.6°C (74.5°F) is noted in Galomaro.

Heat index

September's mean heat index is estimated at a blisteringly hot 42°C (107.6°F). Adopt heightened preventive measures, heat exhaustion and heat cramps are probable. Persistent activity could lead to heatstroke.
In the scope of the heat index, its values resonate with shade and light wind conditions. Exposure to direct sunshine can increase heat index values by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'feels like', is the outcome of merging air's temperature and its humidity metrics. An individual's perception of weather can be influenced by a variety of factors including metabolic differences, being pregnant, and their degree of physical exertion. Being aware that direct sunlight can impact the felt heat might mean an increase in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly critical to babies and toddlers. Children frequently do not understand the need for recuperation and hydration. Thirst, being a late manifestation of dehydration, underlines the need to hydrate frequently, especially when engaging in prolonged physical exercises.
For the human body, perspiration is the go-to method to regulate temperature, using sweat's evaporation to dissipate warmth. When the air contains significant moisture, the efficiency of the evaporation process decreases, preventing the body from cooling down effectively and creating a feeling of overheating. Exceeding the body's heat disposal threshold results in a rise in body temperature and potential thermal disorders.

Humidity

August and September, with an average relative humidity of 85%, are the most humid months.

Rainfall

In Galomaro, in September, it is raining for 22.2 days, with typically 168mm (6.61") of accumulated precipitation. In Galomaro, during the entire year, the rain falls for 109.7 days and collects up to 868mm (34.17") of precipitation.

Daylight

The average length of the day in September is 12h and 11min.
On the first day of September, sunrise is at 06:48 and sunset at 19:08. On the last day of the month, sunrise is at 06:47 and sunset at 18:49 GMT.

Sunshine

The average sunshine in September is 6.4h.

UV index

January through July, September through December, with an average maximum UV index of 7, are months with the highest UV index in Galomaro, Guinea-Bissau. A UV Index value of 6 to 7 symbolizes a high health vulnerability from unprotected exposure to Sun's UV rays for the ordinary person.
Note: A maximum high UV index of 7 in September translates into the following recommendations:
Uphold preventive measures and conform to sun safety guidelines. Defending against skin and eye harm is crucial. Remember that the sun's UV radiation is strongest between 10 a.m. and 4 p.m. Make an effort to avoid direct sun exposure during these hours. Counter UV radiation's ill effects with clothing designed for sun safety and UV-resistant eyewear.