September weather forecast
Petit Bois, Haiti

The first month of the autumn, September, is still a warm month in Petit Bois, Haiti, with an average temperature ranging between min 21.3°C (70.3°F) and max 29.8°C (85.6°F).

Temperature

With the transition into September, Petit Bois notes an average high-temperature of a warm 29.8°C (85.6°F), closely resembling August. An average low-temperature of 21.3°C (70.3°F) is observed in Petit Bois, Haiti, during the September nights.

Heat index

In September, the heat index is calculated to be a torrid 36°C (96.8°F). Adopt heightened safety measures, heat cramps and heat exhaustion may occur. Sustained activity might cause heatstroke.
Heat index determinations are made taking into account the shade and light air movements. Heat index values may surge by up to 15 Fahrenheit (8 Celsius) degrees in the presence of direct sunlight.
Note: The heat index, also known as 'felt air temperature' or 'real feel', is an indicator that blends the effects of temperature and humidity to depict perceived warmth. One's perception of temperature is subjective, varying based on their activity and individual heat perception, influenced by factors like wind, clothing, and metabolic variations. You should know that direct sun exposure can heighten weather effects, potentially elevating the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values hold particular importance 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.
When the body gets too warm, it perspires, leading to sweat evaporation which cools it down. With a high level of moisture in the air, the evaporation process becomes less efficient, preventing the body from cooling down efficiently and resulting in a sensation of overheating. Elevated heat gain compared to the body's release capability poses risks of dehydration and potential overheating.

Humidity

In September, the average relative humidity is 77%.

Rainfall

In Petit Bois, Haiti, in September, during 22.4 rainfall days, 135mm (5.31") of precipitation is typically accumulated. In Petit Bois, during the entire year, the rain falls for 227.4 days and collects up to 904mm (35.59") of precipitation.

Daylight

In Petit Bois, the average length of the day in September is 12h and 14min.
On the first day of the month, sunrise is at 06:35 and sunset at 19:04. On the last day of September, in Petit Bois, sunrise is at 06:40 and sunset at 18:39 EDT.

Sunshine

The average sunshine in September in Petit Bois is 9.6h.

UV index

January through May, July through December, with an average maximum UV index of 6, are months with the lowest UV index in Petit Bois. A UV Index reading of 6 to 7 represents a high health risk from unsafe exposure to UV radiation for the average person.
Note: The daily high UV index of 6 during September translates into the following recommendations:
Deter overexposure. Protecting against the sun's effects is essential. Between 10 a.m. and 4 p.m., UV radiation is strongest. Make an effort to avoid direct sunlight during this time, remembering that shade structures may not provide full sun protection. Outfit yourself in sun-safe attire, like long sleeves, pants, a hat, and UV-blocking sunglasses.