September weather forecastMansfield, AR
September
Weather in September
The first month of the autumn, September, is still a warm month in Mansfield, Arkansas, with an average temperature varying between 62.2°F (16.8°C) and 84.6°F (29.2°C).Temperature
The onset of September brings a small shift in high-temperatures, falling from a hot 91.6°F (33.1°C) in August to a moderately hot 84.6°F (29.2°C). Mansfield, in September, displays a significant temperature downturn during the night, with an average reading of 62.2°F (16.8°C).Heat index
The heat index for September is calculated to be a hot 93.2°F (34°C). Adopt heightened safety measures, heat cramps and heat exhaustion may occur. Sustained activity might cause heatstroke.Research indicates the heat index considers values in shaded locales and with light winds. Under direct sunshine, the heat index values might be elevated by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'real feel', evaluates the perceived heat by adding the effect of moisture in the air. This effect tends to be personal, with the weather perception differing among individuals due to variations in body mass, height, and exertion. Take note that direct exposure to the sun can increase the felt temperature, possibly adding 15 Fahrenheit (8 Celsius) degrees to the heat index. Heat index values are particularly meaningful for babies and toddlers. Children often overlook the need for breaks and fluid intake. Thirst is a late-stage sign of dehydration - hence, it is necessary to stay hydrated, especially during extended periods of physical activities.
Humidity
The average relative humidity in September is 73%.Rainfall
In Mansfield, Arkansas, in September, it is raining for 12.3 days, with typically 3.27" (83mm) of accumulated precipitation. Throughout the year, there are 148.5 rainfall days, and 35.75" (908mm) of precipitation is accumulated.Snowfall
April through October are months without snowfall.Daylight
The average length of the day in September is 12h and 23min.On the first day of September in Mansfield, sunrise is at 6:50 am and sunset at 7:43 pm. On the last day of the month, sunrise is at 7:11 am and sunset at 7:01 pm CDT.
Sunshine
In September, the average sunshine is 9.3h.UV index
In September, the average daily maximum UV index is 6. A UV Index reading of 6 to 7 represents a high health vulnerability from unsafe exposure to UV radiation for average individuals.Note: In September, a daily UV index of 6 turns into the following recommendations:
Ward off overexposure. Defence against solar harm is crucial. Be aware that the sun's UV radiation is strongest between 10 a.m. and 4 p.m. and try to reduce direct sun exposure during this period as much as possible. Combat UV radiation's detrimental effects with sun-safe clothing and UV-blocking eyewear.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Mansfield, AR
- Average high temperature in September: 84.6°F
The warmest month (with the highest average high temperature) is July (92.8°F).
The month with the lowest average high temperature is January (48.7°F).
- Average low temperature in September: 62.2°F
The month with the highest average low temperature is July (70.3°F).
The coldest month (with the lowest average low temperature) is January (32.2°F).
Average pressure in September
Mansfield, 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 (29.93"Hg).
Average wind speed in September
Mansfield, AR
- Average wind speed in September: 4.9mph
The windiest month (with the highest average wind speed) is April (7.8mph).
The calmest month (with the lowest average wind speed) is August (4.6mph).
Average humidity in September
Mansfield, AR
- Average humidity in September: 73%
The month with the highest relative humidity is February (78%).
The month with the lowest relative humidity is August (70%).
Average rainfall in September
Mansfield, AR
- Average rainfall in September: 3.27"
The wettest month (with the highest rainfall) is May (4.53").
The driest month (with the least rainfall) is January (1.97").
Average rainfall days in September
Mansfield, AR
- Average rainfall days in September: 12.3 days
The month with the highest number of rainy days is August (15.5 days).
The month with the least rainy days is January (8.9 days).
Average snowfall in September
Mansfield, AR
- Average snowfall in September: 0"
The month with the highest snowfall is February (1.14").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in September
Mansfield, AR
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (2.1 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
Mansfield, 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 18min
The month with the most sunshine is July (Average sunshine: 10h and 36min).
The months with the least sunshine are January and December (Average sunshine: 5h and 18min).
Average sunshine days in September
Mansfield, AR
- Average sunshine days in September: 15.6 days
The month with the most sunshine days is January (19.3 days).
The month with the least sunshine days is August (12.7 days).
Average UV index in September
Mansfield, AR
- Average UV index in September: 6
The months with the highest UV index are June and July (UV index 7).
The month with the lowest UV index is December (UV index 2).
Average cloud cover in September
Mansfield, AR
- Average cloud cover in September: 29
The month with the most cloud cover is February (Cloud cover 46).
The months with the least cloud cover are June and August (Cloud cover 26).
Average visibility in September
Mansfield, 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).





