September weather forecastPencil Bluff, AR
September
Weather in September
The first month of the autumn, September, is also a moderately hot month in Pencil Bluff, Arkansas, with an average temperature fluctuating between 83.7°F (28.7°C) and 63°F (17.2°C).Temperature
The shift from August to September includes a small decrease in the average high-temperature, from a hot 90.1°F (32.3°C) to a moderately hot 83.7°F (28.7°C). The temperature in Pencil Bluff dips to an average of 63°F (17.2°C) during September nights.Heat index
Throughout September, the heat index is estimated at a hot 91.4°F (33°C). Undertake additional safety actions, risk of heat cramps and heat exhaustion is significant. Persistent activity may induce heatstroke.Be advised, the heat index considers values for conditions in shade and with a light breeze. The heat index might be elevated by 15 Fahrenheit (8 Celsius) degrees due to direct sun exposure.
Note: The heat index, also known as 'feels like' or 'apparent temperature', integrates the air's temperature and its humidity to showcase the felt temperature by people. An individual's perception of weather can be affected by a variety of elements including metabolic differences, being pregnant, and their level of physical exertion. Be mindful that being in direct sunlight might mean feeling hotter, with the heat index rising by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly relevant to babies and toddlers. Youngsters often neglect the necessity for rest and hydration. Thirst is a sign of advancing dehydration - thus the importance of maintaining hydration, specifically during long-lasting physical activities.
Humidity
The months with the lowest humidity are July through October, with an average relative humidity of 73%.Rainfall
In Pencil Bluff, Arkansas, in September, it is raining for 13.2 days, with typically 2.72" (69mm) of accumulated precipitation. Throughout the year, in Pencil Bluff, there are 160.2 rainfall days, and 38.86" (987mm) of precipitation is accumulated.Snowfall
April through October are months without snowfall in Pencil Bluff, Arkansas.Daylight
In Pencil Bluff, the average length of the day in September is 12h and 23min.On the first day of the month, sunrise is at 6:48 am and sunset at 7:40 pm. On the last day of September, sunrise is at 7:09 am and sunset at 6:59 pm CDT.
Sunshine
In September, the average sunshine is 9.2h.UV index
In Pencil Bluff, the average daily maximum UV index in September is 5. A UV Index estimate of 3 to 5 represents a medium vulnerability from unprotected exposure to Sun's UV rays for the ordinary person.Note: A maximum UV index of 5 in September translates into the following recommendations:
Take precautions - Protection against sunburn is recommended. The midday Sun can be dangerous due to its intense radiation; always find shade and reduce exposure. Enhance your sun protection with tightly woven, yet airy clothing.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Pencil Bluff, AR
- Average high temperature in September: 83.7°F
The warmest month (with the highest average high temperature) is July (91°F).
The month with the lowest average high temperature is January (48.7°F).
- Average low temperature in September: 63°F
The month with the highest average low temperature is July (70.2°F).
The coldest month (with the lowest average low temperature) is January (32.5°F).
Average pressure in September
Pencil Bluff, 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
Pencil Bluff, 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 (4.7mph).
Average humidity in September
Pencil Bluff, AR
- Average humidity in September: 73%
The month with the highest relative humidity is March (80%).
The months with the lowest relative humidity are July, August, September and October (73%).
Average rainfall in September
Pencil Bluff, AR
- Average rainfall in September: 2.72"
The wettest month (with the highest rainfall) is May (4.76").
The driest month (with the least rainfall) is January (2.32").
Average rainfall days in September
Pencil Bluff, AR
- Average rainfall days in September: 13.2 days
The month with the highest number of rainy days is August (17.7 days).
The month with the least rainy days is January (9.6 days).
Average snowfall in September
Pencil Bluff, AR
- Average snowfall in September: 0"
The month with the highest snowfall is February (1.46").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in September
Pencil Bluff, AR
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (2 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).
Average daylight in September /
Average sunshine in September
Pencil Bluff, 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 12min
The month with the most sunshine is July (Average sunshine: 10h and 12min).
The months with the least sunshine are February and December (Average sunshine: 5h and 6min).
Average sunshine days in September
Pencil Bluff, AR
- Average sunshine days in September: 14.2 days
The month with the most sunshine days is January (19 days).
The month with the least sunshine days is August (10.5 days).
Average UV index in September
Pencil Bluff, AR
- Average UV index in September: 5
The month with the highest UV index is June (UV index 7).
The month with the lowest UV index is December (UV index 2).
Average cloud cover in September
Pencil Bluff, AR
- Average cloud cover in September: 30
The month with the most cloud cover is February (Cloud cover 49).
The months with the least cloud cover are June, July, August and September (Cloud cover 30).
Average visibility in September
Pencil Bluff, AR
- Average visibility in September: 6mi
The months with the highest visibility are April, June, July, August, September, October and November (6mi).
The months with the lowest visibility are January, February, March, May and December (5mi).
