September weather forecast
Bonne Entente, French Guiana

September in Bonne Entente witnesses the least amount of rainfall for the year measuring only 26mm (1.02"). The reduction in humidity from the previous month aligns with the continuing trend towards drier conditions. This phase encourages outdoor activities and wildlife spotting excursions. Despite September being the driest month, the region remains vibrant and verdant, providing another facet of this beautiful area for tourists to explore.

Temperature

In September, Bonne Entente experiences a minor shift in meteorological conditions with average high-temperatures marked at a still hot 32.7°C (90.9°F), closely mirroring the climate in August. The average temperature in Bonne Entente during September nights dips to a pleasant 22.5°C (72.5°F).

Heat index

For September, the heat index is evaluated at a blazing hot 47°C (116.6°F). Stay watchful: Heat exhaustion along with heat cramps are likely. Ongoing effort may cause heatstroke.
When assessing, remember that heat index measurements are for light winds and shaded spots. The heat index may scale up by 15 Fahrenheit (8 Celsius) degrees with direct sun exposure.
Note: The heat index, also known as 'feels like' or 'felt air temperature', represents the fusion of temperature and moisture in the air to suggest how warm it feels. The influence of weather is personal, differing among a variety of individuals based on differences in body mass, stature, and the level of physical activity. When exposed to direct sunlight, it's possible for the heat index to increase by as much as 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly critical for babies and toddlers. Children typically face more danger than adults as their sweat production is usually lower. Additionally, the bigger skin surface compared to their small size and the increased heat due to their activeness exacerbate the risk.
Perspiration is essential for the human body; it facilitates cooling through the process of sweat evaporation. Heightened relative humidity interferes with the body's usual cooling mechanism by reducing evaporation, subsequently decreasing the body's cooling rate and increasing the sensation of heat. When heat gain exceeds the level the body can remove, body temperature begins to rise, and heat-related illnesses and disorders may develop.

Humidity

The average relative humidity in September in Bonne Entente is 79%.

Rainfall

In Bonne Entente, during September, the rain falls for 11.5 days and regularly aggregates up to 26mm (1.02") of precipitation. Throughout the year, in Bonne Entente, there are 253 rainfall days, and 878mm (34.57") of precipitation is accumulated.

Daylight

In Bonne Entente, French Guiana, the average length of the day in September is 12h and 8min.
On the first day of September, sunrise is at 06:28 and sunset at 18:41. On the last day of the month, sunrise is at 06:22 and sunset at 18:27 -03.

Sunshine

The month with the most sunshine in Bonne Entente is September, with an average of 9.1h of sunshine.

UV index

July through November, with an average maximum UV index of 7, are months with the highest UV index in Bonne Entente. A UV Index reading of 6 to 7 represents a high health hazard from exposure to the Sun's UV radiation for the ordinary person.
Note: The maximum daily UV index of 7 during September translates into the following directions:
Resist overexposure. Safeguarding from solar damage is indispensable. Limit direct sun exposure and seek shade between 10 a.m. and 4 p.m., the time of the most intense UV radiation, noting that shade structures may not provide total sun protection. Opt for tightly woven and loose clothing to enhance protection from the Sun.