September weather forecastMenelas, Haiti
September
Weather in September
The first month of the autumn, September, is also a moderately hot month in Menelas, Haiti, with an average temperature ranging between min 21.3°C (70.3°F) and max 29.8°C (85.6°F).Temperature
With September's arrival, Menelas's weather records an average high-temperature of a warm 29.8°C (85.6°F), marking little difference from August's 30.9°C (87.6°F). September witnesses an average nighttime temperature of 21.3°C (70.3°F).Heat index
The average heat index in September is evaluated at a very hot 36°C (96.8°F). Exercise heightened safety, heat cramps and heat exhaustion are probable. Persistent activity may provoke heatstroke.Be aware that heat index ratings are designed for shaded locations and minor breezes. Direct sunlight can potentially boost the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'real feel', determines the feeling of heat when you account for the relative humidity. The influence of weather can be personal, changing with an individual's body mass, height, and level of physical exertion. Always consider that direct sunlight exposure might heighten the heat's effects, pushing the heat index up by 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly critical for babies and toddlers. Young individuals are generally in more danger than adults due to their lower capacity to sweat. Moreover, their large skin surface in relation to their small bodies and the increased heat generation from their activities makes them more vulnerable.
The physiological response of the human body to excess warmth is to perspire, thereby cooling itself through sweat evaporation. Heightened relative humidity interferes with the body's usual cooling mechanism by reducing evaporation, subsequently decreasing the body's cooling rate and increasing the sensation of heat. Potential thermal conditions emerge as the body's heat gain outpaces its cooling mechanisms.
Humidity
In Menelas, Haiti, the average relative humidity in September is 77%.Rainfall
In Menelas, during September, the rain falls for 22.4 days and regularly aggregates up to 135mm (5.31") of precipitation. Throughout the year, in Menelas, there are 227.4 rainfall days, and 904mm (35.59") of precipitation is accumulated.Daylight
In Menelas, 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, in Menelas, sunrise is at 06:39 and sunset at 18:38 EDT.
Sunshine
In September, the average sunshine in Menelas 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 Menelas. A UV Index reading of 6 to 7 represents a high health vulnerability from exposure to the Sun's UV rays for average individuals.Note: In September, the maximum UV index of 6 suggests this advice:
Refrain from overexposure. Fair-skinned individuals could burn in under 20 minutes. The hours from 10 a.m. to 4 p.m. have the most intense UV radiation. As much as possible, limit direct sun exposure during this period. Employ a wide-brim hat for potent defense against up to 50% of UV rays.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Menelas, 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
Menelas, 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
Menelas, 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
Menelas, 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
Menelas, 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
Menelas, 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
Menelas, 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
Menelas, 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
Menelas, 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
Menelas, 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
Menelas, 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).
