September weather forecast
Sibert, Haiti

The first month of the autumn, September, is also a moderately hot month in Sibert, Haiti, with an average temperature ranging between min 21.3°C (70.3°F) and max 29.8°C (85.6°F).

Temperature

The onset of September brings an average high-temperature of a warm 29.8°C (85.6°F), nearly matching the August temperature. The nights of September anticipate an average low-temperature of 21.3°C (70.3°F).

Heat index

The heat index value for September is appraised at a sweltering 36°C (96.8°F). Implement additional cautionary measures, heat cramps and heat exhaustion could occur. Prolonged activity might induce heatstroke.
Heat index guidelines indicate values are for light wind scenarios and shaded regions. Exposure to the direct sun might augment heat index values by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'feels like', gauges the sensation of temperature factoring in the air's moisture content. One's weather perception can be influenced by a range of factors including metabolic differences, being pregnant, and their level of physical activity. It is noteworthy that being in direct sunlight can enhance the weather's impact, raising the heat index by as much as 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially crucial for babies and toddlers. Children often miss understanding the importance of rest and rehydration. Thirst usually appears late during dehydration - therefore, maintaining hydration, particularly during long physical activities, is essential.
The body's self-cooling mechanism is rooted in perspiration, where evaporating sweat cools down excessive warmth. When the relative humidity is high, the evaporation rate is reduced. The warmth is removed from the body at a lower rate, causing the body to retain more heat than it would in dry air. With body temperatures on the rise, inefficient heat shedding can lead to dehydration and its associated complications.

Humidity

In September, the average relative humidity is 77%.

Rainfall

In Sibert, in September, during 22.4 rainfall days, 135mm (5.31") of precipitation is typically accumulated. Throughout the year, in Sibert, there are 227.4 rainfall days, and 904mm (35.59") of precipitation is accumulated.

Daylight

In Sibert, the average length of the day in September is 12h and 14min.
On the first day of the month, sunrise is at 06:34 and sunset at 19:03. On the last day of September, sunrise is at 06:39 and sunset at 18:38 EDT.

Sunshine

The average sunshine in September 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. A UV Index of 6 to 7 symbolizes a high health risk from unprotected exposure to Sun's UV rays for the average person.
Note: A maximum high daily UV index of 6 during September translates into the following directions:
Sustain precautions and conform to sun safety norms. Preventing sunburn is necessary. Stay in the shade and avoid direct Sun exposure from 10 a.m. to 4 p.m., a time when UV radiation is at its strongest, and remember that parasols or canopies do not offer full protection. Sunglasses that guard against UVA and UVB rays are pivotal in minimizing sun-induced ocular damage.