September weather forecastCarrefour Mambo, Haiti
September
Weather in September
September, the first month of the autumn in Carrefour Mambo, is still a warm month, with an average temperature fluctuating between 21.3°C (70.3°F) and 29.8°C (85.6°F).Temperature
In the transition from August to September, Carrefour Mambo reports an average high-temperature of a warm 29.8°C (85.6°F), indicating a close resemblance to the prior month. Throughout September, the average low-temperature records at an agreeable 21.3°C (70.3°F).Heat index
September's heat index is appraised at a very hot 36°C (96.8°F). Incorporate additional safety actions, heat cramps and heat exhaustion are possible. Long-term activity may induce heatstroke.Factoring in the heat index, values are geared towards shaded areas with light breezes. Being exposed to direct sunshine might trigger a heat index increase by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'real feel', arises from combining readings of air temperature and relative moisture content. The individual's impression of temperature can be affected by numerous factors such as metabolic variations, physical exertion, and attire. Realize that direct exposure to sunlight can augment the felt heat, leading to a potential increase in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly important for children. 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.
To combat high temperatures, the human body perspires and relies on sweat evaporation for cooling. During conditions of high air temperature and humidity (high heat index), the body's ability to perspire is inhibited, increasing the sensation of warmth. Accumulating heat beyond the body's cooling measures leads to rising temperatures and potential ailments.
Humidity
In Carrefour Mambo, the average relative humidity in September is 77%.Rainfall
In September, in Carrefour Mambo, the rain falls for 22.4 days. Throughout September, 135mm (5.31") of precipitation is accumulated. In Carrefour Mambo, during the entire year, the rain falls for 227.4 days and collects up to 904mm (35.59") of precipitation.Daylight
The average length of the day in September is 12h and 14min.On the first day of the month, sunrise is at 06:32 and sunset at 19:01. On the last day of September, sunrise is at 06:38 and sunset at 18:36 EDT.
Sunshine
The average sunshine in September is 9.6h.UV index
The months with the lowest UV index are January through May, July through December, with an average maximum UV index of 6. 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: An average maximum UV index of 6 in September leads to these recommendations:
Embrace precautions and observe sun safety norms. Evasion of sunburn is a necessity. Stay in the shade and avoid direct Sun exposure from 10 a.m. to 4 p.m., a period when UV radiation is particularly strong, noting that parasols or canopies may not offer total sun protection. For a sun-safe wardrobe, go for clothes that are tightly woven and generously sized.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Carrefour Mambo, Haiti
- Average high temperature in September: 29.8°C
The warmest month (with the highest average high temperature) is August (30.9°C).
The month with the lowest average high temperature is January (27.6°C).
- Average low temperature in September: 21.3°C
The months with the highest average low temperature are August and September (21.3°C).
The coldest month (with the lowest average low temperature) is January (18.2°C).
Average pressure in September
Carrefour Mambo, Haiti
- Average pressure in September: 1013.2mbar
The month with the highest atmospheric pressure is January (1016.3mbar).
The month with the lowest atmospheric pressure is October (1012.5mbar).
Average wind speed in September
Carrefour Mambo, Haiti
- Average wind speed in September: 6.5km/h
The windiest month (with the highest average wind speed) is June (9.2km/h).
The calmest month (with the lowest average wind speed) is September (6.5km/h).
Average humidity in September
Carrefour Mambo, Haiti
- Average humidity in September: 77%
The month with the highest relative humidity is November (80%).
The month with the lowest relative humidity is February (72%).
Average rainfall in September
Carrefour Mambo, Haiti
- Average rainfall in September: 135mm
The wettest month (with the highest rainfall) is May (141mm).
The driest month (with the least rainfall) is January (12mm).
Average rainfall days in September
Carrefour Mambo, Haiti
- Average rainfall days in September: 22.4 days
The months with the highest number of rainy days are April and October (24.4 days).
The month with the least rainy days is January (9.9 days).
Average daylight in September /
Average sunshine in September
Carrefour Mambo, Haiti
- Average daylight in September: 12h and 12min
The month with the longest days is June (Average daylight: 13h and 12min).
The month with the shortest days is December (Average daylight: 11h and 0min).
- Average sunshine in September: 9h and 36min
The month with the most sunshine is July (Average sunshine: 11h and 18min).
The month with the least sunshine is February (Average sunshine: 7h and 12min).
Average sunshine days in September
Carrefour Mambo, Haiti
- Average sunshine days in September: 4.7 days
The month with the most sunshine days is December (19 days).
The month with the least sunshine days is April (3.3 days).
Average UV index in September
Carrefour Mambo, Haiti
- Average UV index in September: 6
The month with the highest UV index is June (UV index 7).
The months with the lowest UV index are January, February, March, April, May, July, August, September, October, November and December (UV index 6).
Average cloud cover in September
Carrefour Mambo, Haiti
- Average cloud cover in September: 27
The month with the most cloud cover is April (Cloud cover 35).
The month with the least cloud cover is December (Cloud cover 21).
Average visibility in September
Carrefour Mambo, Haiti
- Average visibility in September: 9km
The months with the highest visibility are February, March and June (10km).
The months with the lowest visibility are January, April, May, July, August, September, October, November and December (9km).





