September weather forecastVilonia, AR
September
Weather in September
The first month of the autumn, September, is still a warm month in Vilonia, Arkansas, with temperature in the range of an average low of 64.8°F (18.2°C) and an average high of 84.6°F (29.2°C).Temperature
September implies a soft temperature shift, with average high-temperatures reducing from August's tropical 90.1°F (32.3°C) to a warm 84.6°F (29.2°C). Vilonia, during September, witnesses an average low-temperature of 64.8°F (18.2°C).Heat index
September's average heat index is evaluated at a tropical 93.2°F (34°C). Take more safety measures, heat exhaustion and heat cramps are potential outcomes. Persistent activity might lead to heatstroke.Realize that the values for the heat index are set for shaded places and light winds. Facing direct sunlight may hike up the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'felt air temperature', shows a temperature sensation when both heat and moisture conditions are combined. Depending on the activity and the individual's heat perception, which may vary due to factors including wind, clothing, and metabolic variations, this effect remains subjective. When you're directly under the sun's rays, remember that the heat index may surge by 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely significant for children. Youngsters typically face more danger than adults since they sweat less. Their larger skin surface compared to their small bodies and heightened heat production from their activities augment their vulnerability.
Humidity
In Vilonia, the average relative humidity in September is 72%.Rainfall
September is the month with the least rainfall in Vilonia. Rain falls for 13.1 days and accumulates 2.52" (64mm) of precipitation.Snowfall
April through October are months without snowfall.Daylight
In September, the average length of the day is 12h and 23min.On the first day of the month, sunrise is at 6:42 am and sunset at 7:35 pm. On the last day of September, sunrise is at 7:03 am and sunset at 6:53 pm CDT.
Sunshine
The average sunshine in September is 9.5h.UV index
In September, the average daily maximum UV index is 6. A UV Index estimate of 6 to 7 represents a high threat to health from unprotected exposure to Sun's UV rays for ordinary individuals.Note: The maximum UV index of 6 during September leads to these instructions:
Act on precautions and pay attention to sun safety recommendations. Avoidance of sunburn is obligatory. Attempt to stay under shade and limit exposure to the Sun between 10 a.m. and 4 p.m., when UV radiation is at its peak. Remember, devices such as parasols or canopies might not provide complete sun protection. Using UVA and UVB-protective sunglasses and sun-protective clothing is effective against UV radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Vilonia, AR
- Average high temperature in September: 84.6°F
The warmest month (with the highest average high temperature) is July (91.2°F).
The month with the lowest average high temperature is January (47.8°F).
- Average low temperature in September: 64.8°F
The month with the highest average low temperature is July (72.1°F).
The coldest month (with the lowest average low temperature) is January (33.8°F).
Average pressure in September
Vilonia, AR
- Average pressure in September: 30.01"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
Vilonia, AR
- Average wind speed in September: 5.5mph
The windiest months (with the highest average wind speed) are February, March and April (8.1mph).
The calmest months (with the lowest average wind speed) are July and August (5.2mph).
Average humidity in September
Vilonia, AR
- Average humidity in September: 72%
The month with the highest relative humidity is March (78%).
The month with the lowest relative humidity is October (69%).
Average rainfall in September
Vilonia, AR
- Average rainfall in September: 2.52"
The wettest month (with the highest rainfall) is April (4.57").
The driest month (with the least rainfall) is September (2.52").
Average rainfall days in September
Vilonia, AR
- Average rainfall days in September: 13.1 days
The month with the highest number of rainy days is July (17.3 days).
The month with the least rainy days is November (9.5 days).
Average snowfall in September
Vilonia, AR
- Average snowfall in September: 0"
The month with the highest snowfall is February (1.06").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in September
Vilonia, AR
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (2.3 days).
The months with the least snowfall days are April, May, June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Vilonia, AR
- Average daylight in September: 12h and 24min
The month with the longest days is June (Average daylight: 14h and 30min).
The month with the shortest days is December (Average daylight: 9h and 48min).
- Average sunshine in September: 9h and 30min
The month with the most sunshine is June (Average sunshine: 10h and 48min).
The month with the least sunshine is February (Average sunshine: 5h and 6min).
Average sunshine days in September
Vilonia, AR
- Average sunshine days in September: 15 days
The month with the most sunshine days is October (19.6 days).
The month with the least sunshine days is July (12.4 days).
Average UV index in September
Vilonia, 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, November and December (UV index 3).
Average cloud cover in September
Vilonia, AR
- Average cloud cover in September: 28
The month with the most cloud cover is February (Cloud cover 46).
The month with the least cloud cover is June (Cloud cover 25).
Average visibility in September
Vilonia, AR
- Average visibility in September: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
