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
Weather in September
Temperature
The average high-temperature during September is a still warm 28.5°C (83.3°F), almost matching the conditions of the preceding month. Marfranc's nocturnal average in September closely mirrors its daytime temperatures, settling at a still warm 24.5°C (76.1°F).Heat index
For September, the heat index is computed to be a tropical 33°C (91.4°F). Implement more preventive measures, heat cramps and heat exhaustion are probable. Heatstroke might result from extended activity.Observations indicate that the heat index values are for shady locations with light wind. Direct sunlight might cause an increase of up to 15 Fahrenheit (8 Celsius) degrees in the heat index.
Note: The heat index, also known as 'real feel' or 'feels like', is a metric representing the sensation of warmth when air temperature and moisture come together. The individual's temperature perception can be influenced by numerous factors such as metabolic variations, physical activity, and clothing. It is essential to be conscious of the fact that direct sunlight can intensify the felt heat, leading to an elevation in the heat index by 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.
Humidity
The average relative humidity in September is 80%.Rainfall
In Marfranc, during September, the rain falls for 24.3 days and regularly aggregates up to 111mm (4.37") of precipitation. In Marfranc, Haiti, during the entire year, the rain falls for 283.3 days and collects up to 1053mm (41.46") of precipitation.Daylight
In September, the average length of the day is 12h and 14min.On the first day of September, sunrise is at 06:42 and sunset at 19:10. On the last day of the month, sunrise is at 06:47 and sunset at 18:45 EDT.
Sunshine
The average sunshine in September is 10.4h.UV index
The months with the highest UV index in Marfranc are May through October, with an average maximum UV index of 7. A UV Index reading of 6 to 7 represents a high health hazard from unsafe exposure to UV radiation for average individuals.Note: A daily high UV index of 7 in September leads to these guidelines:
Prevent overexposure. Protection from the sun's harmful effects is needed. Limit your direct sun exposure, especially between 10 a.m. and 4 p.m., when UV radiation is strongest. Shade structures might not provide complete sun protection. Sun protection is enhanced with clothing that boasts a tight weave yet offers a loose fit.
Frequently asked questions
How hot is September in Marfranc?
What is the average humidity in September in Marfranc?
How many days does it rain in September in Marfranc?
What is the average length of the day in September in Marfranc?
What time are sunrise and sunset in September in Marfranc?
How long on average sun shines in September in Marfranc?
When is the highest UV index in Marfranc?
What is the UV index reading in September in Marfranc?
Average temperature in September
Marfranc, Haiti
- Average high temperature in September: 28.5°C
The warmest months (with the highest average high temperature) are July and August (28.8°C).
The month with the lowest average high temperature is March (25.8°C).
- Average low temperature in September: 24.5°C
The month with the highest average low temperature is August (25°C).
The coldest month (with the lowest average low temperature) is March (21.8°C).
Average pressure in September
Marfranc, Haiti
- Average pressure in September: 1012.6mbar
The month with the highest atmospheric pressure is January (1015.8mbar).
The month with the lowest atmospheric pressure is October (1011.8mbar).
Average wind speed in September
Marfranc, Haiti
- Average wind speed in September: 7.4km/h
The windiest month (with the highest average wind speed) is March (12.1km/h).
The calmest month (with the lowest average wind speed) is September (7.4km/h).
Average humidity in September
Marfranc, Haiti
- Average humidity in September: 80%
The months with the highest relative humidity are October and November (81%).
The months with the lowest relative humidity are January, February, March, June, July, August and December (79%).
Average rainfall in September
Marfranc, Haiti
- Average rainfall in September: 111mm
The wettest month (with the highest rainfall) is May (154mm).
The driest month (with the least rainfall) is December (47mm).
Average rainfall days in September
Marfranc, Haiti
- Average rainfall days in September: 24.3 days
The months with the highest number of rainy days are May and October (27.5 days).
The month with the least rainy days is December (19 days).
Average daylight in September /
Average sunshine in September
Marfranc, 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 2min
The month with the most sunshine is July (Average sunshine: 11h and 24min).
The month with the least sunshine is January (Average sunshine: 6h and 54min).
Average sunshine days in September
Marfranc, Haiti
- Average sunshine days in September: 3.4 days
The month with the most sunshine days is January (5.8 days).
The month with the least sunshine days is May (1 days).
Average UV index in September
Marfranc, Haiti
- Average UV index in September: 7
The months with the highest UV index are May, June, July, August, September and October (UV index 7).
The months with the lowest UV index are January, February, March, April, November and December (UV index 6).
Average cloud cover in September
Marfranc, Haiti
- Average cloud cover in September: 25
The month with the most cloud cover is May (Cloud cover 32).
The month with the least cloud cover is July (Cloud cover 23).
Average visibility in September
Marfranc, 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).
Marfranc, Haiti
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