September weather forecast
Pencil Bluff, AR

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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.
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Frequently asked questions

How hot is it in Pencil Bluff in September?

During September, Pencil Bluff experiences an average high-temperature of 83.7°F (28.7°C) and a low-temperature of 63°F (17.2°C). In September, the average heat index (a.k.a. 'apparent temperature', 'feels like'), which calculates the temperature value influenced by the moisture in the air, is estimated at 91.4°F (33°C).

What are the least humid months in Pencil Bluff?

The months with the lowest humidity are July through October, with an average relative humidity of 73%.

What is the average humidity in September in Pencil Bluff?

The average relative humidity in September in Pencil Bluff, Arkansas, is 73%.

How many days does it rain in September in Pencil Bluff?

In Pencil Bluff, in September, it is raining for 13.2 days, with typically 2.72" (69mm) of accumulated precipitation.

When it does not snow in Pencil Bluff?

April through October are months without snowfall.

How many hours of daylight does Pencil Bluff have in September?

In September, the average day length is 12h and 23min.

What time are sunrise and sunset in September in Pencil Bluff?

On the first day of September in Pencil Bluff, sunrise is at 6:48 am and sunset at 7:40 pm. On the last day of the month, sunrise is at 7:09 am and sunset at 6:59 pm CDT.

How long on average sun shines in September in Pencil Bluff?

In September, the average sunshine duration is 9.2h.

What is the UV index intensity in September in Pencil Bluff?

The average daily maximum UV index in September is 5. A UV Index reading of 3 to 5 represents a medium hazard to health from exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in September
Pencil Bluff, AR

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).

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Average pressure in September
Pencil Bluff, AR

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).

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Average wind speed in September
Pencil Bluff, AR

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).

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Average humidity in September
Pencil Bluff, AR

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%).

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Average rainfall in September
Pencil Bluff, AR

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").

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Average rainfall days in September
Pencil Bluff, AR

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).

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Average snowfall in September
Pencil Bluff, AR

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").

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Average snowfall days in September
Pencil Bluff, AR

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).

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Average daylight in September /
Average sunshine in September
Pencil Bluff, AR

Average daylight in September / Average sunshine in September - Pencil Bluff, AR
  • Average daylight in September: 12h and 2min

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 1min

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).

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Average sunshine days in September
Pencil Bluff, AR

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).

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Average UV index in September
Pencil Bluff, AR

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).

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Average cloud cover in September
Pencil Bluff, AR

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).

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Average visibility in September
Pencil Bluff, AR

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).

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Pencil Bluff, Arkansas, USA

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