September weather forecastPoplar Grove, AR
September
Weather in September
The first month of the autumn, September, is still a warm month in Poplar Grove, Arkansas, with an average temperature fluctuating between 65.8°F (18.8°C) and 83.8°F (28.8°C).Temperature
The arrival of September is marked by an average high-temperature of a warm 83.8°F (28.8°C), bearing a close resemblance to August. In Poplar Grove, an average low-temperature of 65.8°F (18.8°C) is recorded during September nights.Heat index
September's mean heat index is computed to be a hot 91.4°F (33°C). Implement additional safety measures to avoid heat cramps and heat exhaustion. Persistent activity might trigger heatstroke.When considering the heat index, it's pivotal to note it is for shade and mild wind conditions. Direct sunlight might cause an increase of up to 15 Fahrenheit (8 Celsius) degrees in the heat index.
Note: The heat index, also known as 'real feel' or 'felt air temperature', reflects the feeling of heat when considering both air temperature and humidity. The individual's impression of temperature can be shaped by additional aspects such as metabolic variations, physical activity, and clothing. 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 highly critical for babies and toddlers. Children often overlook the necessity for resting and fluid replenishment. Thirst is a late sign of dehydration - thus, it is critical to stay hydrated, especially during extended periods of physical activities.
Humidity
In September, the average relative humidity in Poplar Grove is 73%.Rainfall
In September, in Poplar Grove, the rain falls for 10.8 days. Throughout September, 1.42" (36mm) of precipitation is accumulated. Throughout the year, in Poplar Grove, there are 132.5 rainfall days, and 22.8" (579mm) of precipitation is accumulated.Snowfall
In Poplar Grove, snow does not fall in April through October.Daylight
In September, the average length of the day is 12h and 23min.On the first day of the month, sunrise is at 6:37 am and sunset at 7:29 pm. On the last day of September, sunrise is at 6:57 am and sunset at 6:48 pm CDT.
Sunshine
In Poplar Grove, the average sunshine in September is 9.6h.UV index
The average daily maximum UV index in September is 6. A UV Index of 6 to 7 symbolizes a high threat to health from unprotected exposure to Sun's UV rays for ordinary individuals.Note: In September, the maximum UV index of 6 translates into these guidelines:
Adopt measures and apply sun safety strategies. Shielding from skin and eye damage is necessary. The hours from 10 a.m. to 4 p.m. have the most intense UV radiation. As much as possible, limit direct sun exposure during this period. Sunglasses that guard against UVA and UVB rays are pivotal in minimizing sun-induced ocular damage.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Poplar Grove, AR
- Average high temperature in September: 83.8°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 (48.2°F).
- Average low temperature in September: 65.8°F
The month with the highest average low temperature is July (73°F).
The coldest month (with the lowest average low temperature) is January (35.4°F).
Average pressure in September
Poplar Grove, 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
Poplar Grove, AR
- Average wind speed in September: 5.9mph
The windiest month (with the highest average wind speed) is February (9.5mph).
The calmest month (with the lowest average wind speed) is August (5.3mph).
Average humidity in September
Poplar Grove, AR
- Average humidity in September: 73%
The months with the highest relative humidity are March and December (78%).
The month with the lowest relative humidity is October (67%).
Average rainfall in September
Poplar Grove, AR
- Average rainfall in September: 1.42"
The wettest month (with the highest rainfall) is April (2.72").
The driest month (with the least rainfall) is November (1.22").
Average rainfall days in September
Poplar Grove, AR
- Average rainfall days in September: 10.8 days
The month with the highest number of rainy days is July (15 days).
The month with the least rainy days is November (7.7 days).
Average snowfall in September
Poplar Grove, AR
- Average snowfall in September: 0"
The month with the highest snowfall is February (0.47").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in September
Poplar Grove, AR
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (1.3 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
Poplar Grove, AR
- Average daylight in September: 12h and 24min
The month with the longest days is June (Average daylight: 14h and 24min).
The month with the shortest days is December (Average daylight: 9h and 54min).
- Average sunshine in September: 9h and 36min
The month with the most sunshine is June (Average sunshine: 10h and 42min).
The month with the least sunshine is February (Average sunshine: 4h and 48min).
Average sunshine days in September
Poplar Grove, AR
- Average sunshine days in September: 16.5 days
The month with the most sunshine days is October (21.8 days).
The month with the least sunshine days is July (13.3 days).
Average UV index in September
Poplar Grove, AR
- Average UV index in September: 6
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
Poplar Grove, AR
- Average cloud cover in September: 29
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
Poplar Grove, 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).
