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 is marked by an average high-temperature of a warm 29.9°C (85.8°F), almost identical to the preceding month. Throughout the month of September, Belle Fontaine witnesses an average temperature of 21.1°C (70°F).Heat index
For most parts of September, the heat index is estimated at a sweltering 37°C (98.6°F). More safety actions are required, heat exhaustion and heat cramps are probable. Long-term activity may precipitate heatstroke.Be informed that the heat index values are oriented around shady conditions and gentle breezes. Uninterrupted exposure to the sun may boost the heat index values by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'real feel', reflects the blend of air temperature and relative humidity to give a temperature impression. An individual's perception of weather can be influenced by a variety of factors including metabolic differences, being pregnant, and their degree of physical exertion. Awareness is key; direct sunlight can enhance the weather's impact, possibly boosting the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly important for children. Children commonly overlook the importance of rest and fluid replenishment. Thirst, being a delayed sign of dehydration, emphasizes the need to keep hydration up, especially during lengthy physical activities.
The human body has a built-in cooling mechanism through perspiration; evaporating sweat dissipates the excess heat. With excessive moisture in the atmosphere, the effectiveness of the evaporation process is decreased, causing the body to cool down less efficiently, leading to a sensation of overheating. Heat-related challenges, like dehydration, can be anticipated when body heat isn't managed effectively.
Humidity
The average relative humidity in September in Belle Fontaine is 77%.Rainfall
September is the month with the most rainfall. Rain falls for 23 days and accumulates 144mm (5.67") of precipitation.Daylight
The average length of the day in September is 12h and 14min.On the first day of September, sunrise is at 06:34 and sunset at 19:02. On the last day of the month, sunrise is at 06:38 and sunset at 18:37 EDT.
Sunshine
The average sunshine in September in Belle Fontaine is 9.3h.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 unsafe exposure to UV radiation for average individuals.Note: In September, a daily maximum UV index of 6 leads to the following instructions:
Adopt measures and apply sun safety strategies. Shielding from skin and eye damage is necessary. 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
How hot is September in Belle Fontaine?
What is the average humidity in September in Belle Fontaine?
What is the wettest month in Belle Fontaine?
How much does it rain in Belle Fontaine in September?
What is the average length of the day in September in Belle Fontaine?
When is the sunrise / sunset in September in Belle Fontaine?
How many hours of sunshine does Belle Fontaine have in September?
When is the lowest UV index in Belle Fontaine?
What is the UV index reading in September in Belle Fontaine?
Average temperature in September
Belle Fontaine, Haiti
- Average high temperature in September: 29.9°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: 21.1°C
The month with the highest average low temperature is August (21.3°C).
The coldest month (with the lowest average low temperature) is January (18.2°C).
Average pressure in September
Belle Fontaine, Haiti
- Average pressure in September: 1013.1mbar
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
Belle Fontaine, Haiti
- Average wind speed in September: 6.3km/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 (6.3km/h).
Average humidity in September
Belle Fontaine, 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
Belle Fontaine, Haiti
- Average rainfall in September: 144mm
The wettest month (with the highest rainfall) is September (144mm).
The driest month (with the least rainfall) is January (12mm).
Average rainfall days in September
Belle Fontaine, Haiti
- Average rainfall days in September: 23 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
Belle Fontaine, 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: 9h and 2min
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
Belle Fontaine, Haiti
- Average sunshine days in September: 4.3 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
Belle Fontaine, 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
Belle Fontaine, Haiti
- Average cloud cover in September: 29
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
Belle Fontaine, 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).
