Contents
- Weather in September
- Frequently asked questions
- Average temperature in September
- Average pressure in September
- Average wind speed in September
- Average humidity in September
- Average rainfall in September
- Average rainfall days in September
- Average daylight in September
- Average sunshine in September
- Average sunshine days in September
- Average UV index in September
- Average cloud cover in September
- Average visibility in September
September
Weather in September
Temperature
September's average high-temperature is a still warm 29.1°C (84.4°F), maintaining a close comparison with August's 29.3°C (84.7°F). Petit-Trou-de-Nippes upholds a consistent average temperature of 26.1°C (79°F) throughout the nights of September.Heat index
In September, the heat index is computed to be a fiery hot 35°C (95°F). Adopt enhanced safety measures, heat exhaustion and heat cramps could occur. Continuous activity may induce heatstroke.Take note of the fact that heat index values are based on shaded circumstances with light airflows. The heat index has the potential to rise by 15 Fahrenheit (8 Celsius) degrees with direct sunshine exposure.
Note: The heat index, also known as 'apparent temperature' or 'felt air temperature', is a numerical representation of warmth when taking temperature and moisture levels into account. An individual's temperature experience can be influenced by extra factors, including metabolic differences, activity levels, and clothing. Taking into account that direct sunlight can boost the heat effect, the heat index may rise by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are primarily vital for children. Children frequently do not comprehend the need for rest and hydration. Thirst is an advanced stage of dehydration - staying hydrated, especially during extended physical exercises, is essential.
The human body normally cools itself by perspiration. Excessive warmth is eliminated from the body by evaporation of sweat. Increased relative humidity slows down evaporation, thereby decreasing the rate of heat removal from the body, culminating in a sensation of overheating. When heat surpasses the body's release mechanisms, dehydration and overheating risks become pronounced.
Humidity
In September, the average relative humidity is 78%.Rainfall
In Petit-Trou-de-Nippes, in September, during 20.5 rainfall days, 70mm (2.76") of precipitation is typically accumulated. In Petit-Trou-de-Nippes, during the entire year, the rain falls for 234.5 days and collects up to 663mm (26.1") 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 06:39 and sunset at 19:08. On the last day of September, sunrise is at 06:44 and sunset at 18:43 EDT.
Sunshine
In September, the average sunshine 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 value of 6 to 7 symbolizes a high health vulnerability from exposure to the Sun's UV radiation for ordinary individuals.Note: The maximum UV index of 7 during September leads to these instructions:
Persist in precautions and follow sun safety policies. Keeping sunburn at bay is imperative. The Sun's UV radiation is most potent between the hours of 10 a.m. and 4 p.m. Try to avoid direct sunlight during this time. Stay sun-safe with clothing that is both closely woven and worn loosely.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How hot does it get in September?
What is the average humidity in September?
How much does it rain in September?
How many hours of daylight does Petit-Trou-de-Nippes have in September?
What time are sunrise and sunset in September in Petit-Trou-de-Nippes?
How many hours of sunshine does Petit-Trou-de-Nippes have in September?
What is the month with the highest UV index?
What is the UV index reading in September?
Average temperature in September
Petit-Trou-de-Nippes, Haiti
- Average high temperature in September: 29.1°C
The warmest month (with the highest average high temperature) is August (29.3°C).
The months with the lowest average high temperature are January and March (26.8°C).
- Average low temperature in September: 26.1°C
The month with the highest average low temperature is August (26.2°C).
The coldest month (with the lowest average low temperature) is March (23.4°C).
Average pressure in September
Petit-Trou-de-Nippes, Haiti
- Average pressure in September: 1012.5mbar
The month with the highest atmospheric pressure is January (1015.6mbar).
The month with the lowest atmospheric pressure is October (1011.7mbar).
Average wind speed in September
Petit-Trou-de-Nippes, Haiti
- Average wind speed in September: 12.4km/h
The windiest month (with the highest average wind speed) is June (18.9km/h).
The calmest month (with the lowest average wind speed) is November (11.3km/h).
Average humidity in September
Petit-Trou-de-Nippes, Haiti
- Average humidity in September: 78%
The months with the highest relative humidity are May, June and July (79%).
The months with the lowest relative humidity are January, February, March and December (76%).
Average rainfall in September
Petit-Trou-de-Nippes, Haiti
- Average rainfall in September: 70mm
The wettest month (with the highest rainfall) is October (95mm).
The driest month (with the least rainfall) is January (26mm).
Average rainfall days in September
Petit-Trou-de-Nippes, Haiti
- Average rainfall days in September: 20.5 days
The month with the highest number of rainy days is May (23.7 days).
The months with the least rainy days are June and December (15.2 days).
Average daylight in September /
Average sunshine in September
Petit-Trou-de-Nippes, Haiti
- Average daylight in September: 12h and 1min
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: 10h and 1min
The month with the most sunshine is August (Average sunshine: 11h and 18min).
The month with the least sunshine is December (Average sunshine: 7h and 12min).
Average sunshine days in September
Petit-Trou-de-Nippes, Haiti
- Average sunshine days in September: 5.3 days
The month with the most sunshine days is June (9.6 days).
The month with the least sunshine days is April (2.8 days).
Average UV index in September
Petit-Trou-de-Nippes, Haiti
- Average UV index in September: 7
The months with the highest UV index are January, February, April, May, June, July, August, September, October, November and December (UV index 7).
The month with the lowest UV index is March (UV index 6).
Average cloud cover in September
Petit-Trou-de-Nippes, Haiti
- Average cloud cover in September: 23
The months with the most cloud cover are April and May (Cloud cover 29).
The months with the least cloud cover are January and December (Cloud cover 20).
Average visibility in September
Petit-Trou-de-Nippes, Haiti
- Average visibility in September: 10km
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
