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 snowfall in September
- Average snowfall 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
September's onset brings a negligible change in high-temperatures, falling from a tropical 93.2°F (34°C) in August to a still hot 87.3°F (30.7°C). Throughout September, Louann registers a consistent average low-temperature of 65.8°F (18.8°C).Heat index
September's average heat index is calculated to be a sweltering 98.6°F (37°C). Implement additional preventive actions, heat cramps and heat exhaustion are potential hazards. Heatstroke could follow prolonged activity.In the scope of the heat index, its values resonate with shade and light wind conditions. The heat index may scale up by 15 Fahrenheit (8 Celsius) degrees with direct sun exposure.
Note: The heat index, also known as 'real feel' or 'apparent temperature', integrates the air's temperature and its humidity to showcase the felt temperature by people. The impact of weather is individual, with diverse individuals experiencing it differently due to variations in body mass, height, and activity levels. 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 quite important for children. Kids generally face higher risks than adults as they sweat less. Along with their large skin surface compared to their small bodies and higher heat production due to their activities, their vulnerability is increased.
The body's natural response to excessive warmth is perspiration, as it allows for cooling through sweat evaporation. An increase in relative humidity disrupts body cooling by slowing the evaporation rate, thereby reducing the rate at which the body cools and amplifying the sense of heat. When the heat gained surpasses the body's cooling capacity, temperatures rise, signaling potential health concerns.
Humidity
The average relative humidity in September is 72%.Rainfall
In Louann, in September, during 11 rainfall days, 2.32" (59mm) of precipitation is typically accumulated. In Louann, during the entire year, the rain falls for 147.8 days and collects up to 35.47" (901mm) of precipitation.Snowfall
April through November are months without snowfall.Daylight
In September, the average length of the day in Louann is 12h and 22min.On the first day of the month, sunrise is at 6:45 am and sunset at 7:36 pm. On the last day of September, sunrise is at 7:05 am and sunset at 6:56 pm CDT.
Sunshine
In Louann, Arkansas, the average sunshine in September is 9.4h.UV index
In Louann, Arkansas, the average daily maximum UV index in September is 6. A UV Index of 6 to 7 symbolizes a high health risk from exposure to the Sun's UV radiation for the ordinary person.Note: A typical high UV index of 6 in September suggests the following recommendations:
Persist in precautions and follow sun safety policies. Keeping sunburn at bay is imperative. The Sun's UV radiation is most powerful between 10 a.m. and 4 p.m. To the extent possible, limit exposure to the direct sun during these hours. Enhance your sun protection with tightly woven, yet airy clothing.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How hot is September in Louann?
What is the average humidity in September in Louann?
How much does it rain in Louann in September?
When it does not snow in Louann?
What is the average length of the day in September in Louann?
What time are sunrise and sunset in September in Louann?
How long on average sun shines in September in Louann?
What is the UV index reading in September in Louann?
Average temperature in September
Louann, AR
- Average high temperature in September: 87.3°F
The warmest month (with the highest average high temperature) is July (93.7°F).
The month with the lowest average high temperature is January (51.8°F).
- Average low temperature in September: 65.8°F
The month with the highest average low temperature is July (72.9°F).
The coldest month (with the lowest average low temperature) is January (36.5°F).
Average pressure in September
Louann, AR
- Average pressure in September: 29.99"Hg
The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).
Average wind speed in September
Louann, AR
- Average wind speed in September: 4.9mph
The windiest month (with the highest average wind speed) is April (7.1mph).
The calmest month (with the lowest average wind speed) is August (4.8mph).
Average humidity in September
Louann, AR
- Average humidity in September: 72%
The months with the highest relative humidity are February and December (81%).
The months with the lowest relative humidity are July, August and October (71%).
Average rainfall in September
Louann, AR
- Average rainfall in September: 2.32"
The wettest month (with the highest rainfall) is April (4.53").
The driest month (with the least rainfall) is July (2.17").
Average rainfall days in September
Louann, AR
- Average rainfall days in September: 11 days
The month with the highest number of rainy days is March (15.1 days).
The month with the least rainy days is November (8.9 days).
Average snowfall in September
Louann, AR
- Average snowfall in September: 0"
The month with the highest snowfall is February (0.39").
The months with the least snowfall are April, May, June, July, August, September, October and November (0").
Average snowfall days in September
Louann, AR
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (1.2 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).
Average daylight in September /
Average sunshine in September
Louann, AR
- Average daylight in September: 12h and 2min
The month with the longest days is June (Average daylight: 14h and 18min).
The month with the shortest days is December (Average daylight: 10h and 0min).
- Average sunshine in September: 9h and 2min
The months with the most sunshine are June, July and August (Average sunshine: 10h and 30min).
The month with the least sunshine is February (Average sunshine: 4h and 54min).
Average sunshine days in September
Louann, AR
- Average sunshine days in September: 17.3 days
The month with the most sunshine days is October (20.1 days).
The month with the least sunshine days is March (13.8 days).
Average UV index in September
Louann, AR
- Average UV index in September: 6
The months with the highest UV index are June and July (UV index 7).
The months with the lowest UV index are January, February and December (UV index 3).
Average cloud cover in September
Louann, AR
- Average cloud cover in September: 30
The month with the most cloud cover is February (Cloud cover 50).
The months with the least cloud cover are June, July and August (Cloud cover 28).
Average visibility in September
Louann, AR
- Average visibility in September: 6mi
The months with the highest visibility are March, April, May, June, July, August, September, October and November (6mi).
The months with the lowest visibility are January, February and December (5mi).
Louann, Arkansas, USA
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