September weather forecast
Anse-a-Veau, Haiti

September, the first month of the autumn in Anse-a-Veau, is still a warm month, with an average temperature ranging between max 29.1°C (84.4°F) and min 26.1°C (79°F).

Temperature

In September, the average high-temperature is essentially the same as in August - a still moderately hot 29.1°C (84.4°F). In Anse-a-Veau, in September, the average low-temperature is 26.1°C (79°F).

Heat index

In September, the average heat index is appraised at a sweltering 35°C (95°F). Take extra precautions, as heat cramps and heat exhaustion are possible. Sustained activity may result in heatstroke.
Note that heat index values are valued for light wind and location in the shade. With exposure to direct sunlight, the heat index may be increased by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature', 'feels like', 'apparent temperature', or 'real feel', combines air temperature and relative humidity to represent a human perceived temperature equivalent. Additional factors like activity, wind, clothing, and pregnancy affect individual temperature impact. Bear in mind that direct sunshine exposure increases weather impact, and may raise heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially crucial for babies and toddlers. Children are often less aware of the need to rest and re-hydrate. Thirst is a late sign of dehydration - it is vital to remain hydrated, particularly during prolonged physical activities.
The human body normally cools itself by perspiration, as evaporated sweat carries heat away from the body. A higher relative humidity affects normal body cooling by reducing the evaporation rate, subsequently lowering the rate at which the body cools and increasing the perception 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

In September, the average relative humidity is 78%.

Rainfall

In September, in Anse-a-Veau, the rain falls for 20.5 days. Throughout September, 70mm (2.76") of precipitation is accumulated. In Anse-a-Veau, during the entire year, the rain falls for 234.5 days and collects up to 663mm (26.1") of precipitation.

Sea temperature

September is the month with the warmest seawater, with an average sea temperature of 29.9°C (85.8°F).
Note: For any water activity, surface water temperatures between 25°C (77°F) and 29°C (84.2°F) are considered as excellent and extremely pleasant for lengthened periods.

Daylight

In September, the average length of the day is 12h and 14min.
On the first day of the month, sunrise is at 06:38 and sunset at 19:08. On the last day of September, in Anse-a-Veau, sunrise is at 06:43 and sunset at 18:43 EDT.

Sunshine

In Anse-a-Veau, the average sunshine in September is 10.1h.

UV index

The months with the highest UV index are January, February, April through December, with an average maximum UV index of 7. A UV Index estimate of 6 to 7 represents a high health vulnerability from unsafe exposure to UV radiation for the ordinary person.
Note: The daily maximum UV index of 7 in September interpret into the following advice:
Take precautions and adopt sun safety practices. Protection against sunburn is obliged. The Sun's UV radiation is most powerful between 10 a.m. and 4 p.m. To the extent possible, limit exposure to the direct sun during these hours. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes. Beware! The reflection of water and sand dramatically increases exposure to the UV rays.