September weather forecast
Phaeton, Haiti

September in Phaeton, Haiti notices a slight decrease in temperatures which move from 24.3°C (75.7°F) to 29.5°C (85.1°F). This month exhibits a decrease in the amount of rain to 77mm (3.03"). Despite the reduced rainfall, this month continues to enjoy 12.2 hours of daylight. A moderate sea temperature persists, remaining conducive for swimming and other water activities. The blend of climatic conditions makes this month an ideal time to discover the city's multiple seascape treasures.

Temperature

Phaeton notes an average high-temperature of a still moderately hot 29.5°C (85.1°F) in September, displaying minor variation from August. In September, Phaeton records an average nighttime temperature of 24.3°C (75.7°F).

Heat index

In September, the average heat index is calculated to be a torrid 36°C (96.8°F). Implement enhanced safety actions, heat cramps and heat exhaustion could occur. Sustained activity might result in heatstroke.
Data suggests that the heat index is set for environments in shade and with a light wind. 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 'apparent temperature' or 'real feel', embodies the combination of air temperature and moisture content to illustrate perceived heat. Depending on the activity and the individual's heat perception, which may vary due to factors including wind, clothing, and metabolic variations, this effect remains subjective. It is important to note that direct sunlight can intensify the weather impact, potentially raising the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly relevant to children. Younglings frequently fail to recognize the requirement to rest and rehydrate. Thirst emerges late in dehydration - it is imperative to keep hydration levels high, particularly during extended physical exertions.
Through perspiration, the body has a natural mechanism to eliminate excessive heat via sweat evaporation. When the level of relative humidity is elevated, evaporation diminishes, causing more warmth to be retained in the body than in dry air. Overheating and potential dehydration arise when body heat gain eclipses its release capability.

Humidity

In September, the average relative humidity is 78%.

Rainfall

In Phaeton, Haiti, in September, it is raining for 22.4 days, with typically 77mm (3.03") of accumulated precipitation. In Phaeton, during the entire year, the rain falls for 229.5 days and collects up to 678mm (26.69") of precipitation.

Sea temperature

September is the month with the warmest seawater, with an average sea temperature of 29.4°C (84.9°F).
Note: Surface water temperatures ranging from 25°C (77°F) to 29°C (84.2°F) are considered superb and highly pleasant for water activities over extended periods.

Daylight

In Phaeton, the average length of the day in September is 12h and 15min.
On the first day of the month, sunrise is at 06:32 and sunset at 19:02. On the last day of September, sunrise is at 06:38 and sunset at 18:36 EDT.

Sunshine

In September, the average sunshine is 10h.

UV index

April through October, with an average maximum UV index of 7, are months with the highest UV index in Phaeton. A UV Index estimate of 6 to 7 represents a high health vulnerability from exposure to the Sun's UV radiation for the average person.
Note: The UV index of 7 during September leads to these advisories:
Take precautions against overexposure. Protection against sun damage is needed. The Sun's UV radiation is most potent between 10 a.m. and 4 p.m. Try to limit direct exposure to the Sun during this period. A wide-brimmed hat provides unparalleled sun protection for sensitive areas like the eyes, ears, and neck. Watch out! Sand and water enhance the UV exposure you receive.