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
Williford's weather subtly changes with the onset of September, barely falling from a tropical 89.1°F (31.7°C) in August to a moderately hot 81.9°F (27.7°C). Williford, in September, experiences an average temperature of 61.7°F (16.5°C) at night.Heat index
September's average heat index is appraised at a tropical 87.8°F (31°C). With prolonged exposure and constant activity, one might feel exhausted and experience heat cramps.When referencing the heat index, its values are suitable for shady environments and light breezes. Heat index values may rise by up to 15 Fahrenheit (8 Celsius) degrees when exposed to direct sunlight.
Note: The heat index, also known as 'felt air temperature' or 'apparent temperature', is a calculation that merges air temperature and relative humidity to depict the sensation of warmth. The impact of weather on an individual can be subjective, affected by the person's activity and heat perception, which can vary due to elements including wind, clothing, and metabolic differences. By being directly under the sun, it's possible for the felt temperature to increase by 15 Fahrenheit (8 Celsius) degrees. Heat index values are primarily vital for children. Typically, young kids are at a higher risk than adults since they sweat less. Also, the larger skin surface in proportion to their small bodies and the heightened heat production due to their active nature adds to their vulnerability.
Humidity
In September, the average relative humidity in Williford is 74%.Rainfall
The month with the least rainfall in Williford is September, when the rain falls for 12.1 days and typically collects 1.73" (44mm) of precipitation.Snowfall
In Williford, Arkansas, snow does not fall in April through October.Daylight
In Williford, the average length of the day in September is 12h and 24min.On the first day of September, sunrise is at 6:37 am and sunset at 7:32 pm. On the last day of the month, sunrise is at 7:00 am and sunset at 6:49 pm CDT.
Sunshine
The average sunshine in September is 9.5h.UV index
In Williford, Arkansas, the average daily maximum UV index in September is 5. A UV Index estimate of 3 to 5 represents a medium health hazard from unsafe exposure to UV radiation for the ordinary person.Note: An average UV index of 5 in September transforms into this advice:
Put precautions into practice - Guidance to elude sunburn is provided. Direct Sun exposure should be minimized especially during midday when radiation is most intense. Select sunglasses that boast both UVA and UVB protection to limit the adverse effects of the sun on the eyes.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in September in Williford?
What is the average humidity in September in Williford?
What is the driest month in Williford?
How many days does it rain in September in Williford?
When it does not snow in Williford?
What is the average length of the day in September in Williford?
When is the sunrise / sunset in September in Williford?
How long on average sun shines in September in Williford?
How high is the UV index in September in Williford?
Average temperature in September
Williford, AR
- Average high temperature in September: 81.9°F
The warmest month (with the highest average high temperature) is July (90°F).
The month with the lowest average high temperature is January (44.1°F).
- Average low temperature in September: 61.7°F
The month with the highest average low temperature is July (69.4°F).
The coldest month (with the lowest average low temperature) is January (29.7°F).
Average pressure in September
Williford, AR
- Average pressure in September: 30.02"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in September
Williford, AR
- Average wind speed in September: 5.5mph
The windiest month (with the highest average wind speed) is January (8.1mph).
The calmest months (with the lowest average wind speed) are July and August (5.2mph).
Average humidity in September
Williford, AR
- Average humidity in September: 74%
The months with the highest relative humidity are March and May (79%).
The month with the lowest relative humidity is October (71%).
Average rainfall in September
Williford, AR
- Average rainfall in September: 1.73"
The wettest month (with the highest rainfall) is April (4.45").
The driest month (with the least rainfall) is September (1.73").
Average rainfall days in September
Williford, AR
- Average rainfall days in September: 12.1 days
The month with the highest number of rainy days is May (16.5 days).
The month with the least rainy days is January (8.9 days).
Average snowfall in September
Williford, AR
- Average snowfall in September: 0"
The month with the highest snowfall is March (1.34").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in September
Williford, AR
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (2.8 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in September /
Average sunshine in September
Williford, AR
- Average daylight in September: 12h and 2min
The month with the longest days is June (Average daylight: 14h and 36min).
The month with the shortest days is December (Average daylight: 9h and 42min).
- Average sunshine in September: 9h and 3min
The month with the most sunshine is June (Average sunshine: 10h and 42min).
The month with the least sunshine is February (Average sunshine: 5h and 0min).
Average sunshine days in September
Williford, AR
- Average sunshine days in September: 15.8 days
The month with the most sunshine days is December (19.6 days).
The month with the least sunshine days is May (12.7 days).
Average UV index in September
Williford, AR
- Average UV index in September: 5
The month with the highest UV index is June (UV index 7).
The months with the lowest UV index are January and December (UV index 2).
Average cloud cover in September
Williford, AR
- Average cloud cover in September: 29
The month with the most cloud cover is March (Cloud cover 47).
The month with the least cloud cover is June (Cloud cover 27).
Average visibility in September
Williford, AR
- Average visibility in September: 6mi
The months with the highest visibility are January, February, March, April, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is May (5mi).
Williford, Arkansas, USA
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