September weather forecastCotton Plant, AR
September
Weather in September
September, the first month of the autumn in Cotton Plant, is also a moderately hot month, with an average temperature varying between 65.3°F (18.5°C) and 83.7°F (28.7°C).Temperature
The ushering in of September brings an average high-temperature of a moderately hot 83.7°F (28.7°C), closely mirroring the 88.2°F (31.2°C) of August. Cotton Plant experiences a nighttime temperature average of 65.3°F (18.5°C) during September.Heat index
In September, the average heat index is estimated at a tropical 91.4°F (33°C). Implement additional cautionary measures, heat cramps and heat exhaustion could occur. Prolonged activity might induce heatstroke.When considering the heat index, it's pivotal to note it is for shade and mild wind conditions. Heat index values can rise by 15 Fahrenheit (8 Celsius) degrees when in direct sunlight.
Note: The heat index, also known as 'felt air temperature' or 'real feel', gives an indication of how one might feel in terms of heat after considering humidity. The influence of weather is personal, with a diverse population experiencing it differently due to differences in body mass, stature, and degree of activity. Remember, direct sunlight exposure can heighten the heat impact and might increase the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are of high significance for children. Younglings frequently fail to recognize the requirement to rest and rehydrate. Thirst emerges late in dehydration - it is imperative to keep hydration levels high, particularly during extended physical exertions.
Humidity
In Cotton Plant, Arkansas, the average relative humidity in September is 73%.Rainfall
September is the month with the least rainfall. Rain falls for 11.8 days and accumulates 1.69" (43mm) of precipitation.Snowfall
April through October are months without snowfall.Daylight
In Cotton Plant, the average length of the day in September is 12h and 23min.On the first day of September, sunrise is at 6:38 am and sunset at 7:31 pm. On the last day of the month, sunrise is at 6:59 am and sunset at 6:49 pm CDT.
Sunshine
In September, the average sunshine is 9.8h.UV index
In September, the average daily maximum UV index is 5. A UV Index of 3 to 5 symbolizes a medium vulnerability from unsafe exposure to UV radiation for ordinary individuals.Note: A typical high UV index of 5 in September suggests the following recommendations:
Adopt protective measures - It is advised to guard against sun damage. To avoid the Sun's strongest rays, limit exposure around the mid-day period. Sunglasses that ward off UVA and UVB rays play a pivotal role in reducing solar eye damage.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Cotton Plant, AR
- Average high temperature in September: 83.7°F
The warmest month (with the highest average high temperature) is July (89.4°F).
The month with the lowest average high temperature is January (47.5°F).
- Average low temperature in September: 65.3°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 (34.3°F).
Average pressure in September
Cotton Plant, AR
- Average pressure in September: 30"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
Cotton Plant, AR
- Average wind speed in September: 5.8mph
The windiest month (with the highest average wind speed) is February (9.5mph).
The calmest months (with the lowest average wind speed) are July and August (5.5mph).
Average humidity in September
Cotton Plant, AR
- Average humidity in September: 73%
The month with the highest relative humidity is March (78%).
The month with the lowest relative humidity is October (67%).
Average rainfall in September
Cotton Plant, AR
- Average rainfall in September: 1.69"
The wettest month (with the highest rainfall) is April (4.29").
The driest month (with the least rainfall) is September (1.69").
Average rainfall days in September
Cotton Plant, AR
- Average rainfall days in September: 11.8 days
The month with the highest number of rainy days is July (16.3 days).
The month with the least rainy days is October (9.1 days).
Average snowfall in September
Cotton Plant, AR
- Average snowfall in September: 0"
The month with the highest snowfall is February (0.91").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in September
Cotton Plant, AR
- Average snowfall days in September: 0 days
The months with the highest number of snowfall days are January and February (1.4 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
Cotton Plant, 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 48min
The months with the most sunshine are June and July (Average sunshine: 10h and 42min).
The month with the least sunshine is February (Average sunshine: 4h and 54min).
Average sunshine days in September
Cotton Plant, AR
- Average sunshine days in September: 16.8 days
The month with the most sunshine days is October (20.6 days).
The month with the least sunshine days is July (11.9 days).
Average UV index in September
Cotton Plant, 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, February, November and December (UV index 3).
Average cloud cover in September
Cotton Plant, AR
- Average cloud cover in September: 27
The month with the most cloud cover is February (Cloud cover 45).
The month with the least cloud cover is June (Cloud cover 24).
Average visibility in September
Cotton Plant, 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).





