September weather forecast and climate
Poyen, AR

Weather in September

The first month of the autumn, September, is still a warm month in Poyen, Arkansas, with temperature in the range of an average low of 64.8°F (18.2°C) and an average high of 85.5°F (29.7°C).

Temperature

In Poyen, the average high-temperature in September slightly decreases, from a hot 91.4°F (33°C) in August, to a moderately hot 85.5°F (29.7°C). In September, the average low-temperature is 64.8°F (18.2°C).

Heat index

The average heat index is appraised at a hot 94.6°F (34.8°C). Take special precautions - heat exhaustion and heat cramps are expected. Heatstroke may occur with lengthy activity.
Note that heat index values are valued for light wind and location in the shade. Exposure to direct sunshine can increase heat index values by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel', 'felt air temperature', 'feels like', or 'apparent temperature', is calculated by taking the relative humidity value for a specific location and factoring it into the air temperature reading. This effect is subjective, depending on the activity and individual's heat perception influenced by various reasons (wind, differences in body mass, height, and shape, metabolic differences). Bear in mind that direct sunshine exposure increases weather impact, and may raise heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly important for children. Children are often less aware of the need to rest and re-hydrate. Thirst is a late sign of dehydration - it is vital to remain hydrated, particularly during prolonged physical activities.

Humidity

July, September and October, with an average relative humidity of 72%, are the least humid months in Poyen.

Rainfall

September is the month with the least rainfall. Rain falls for 13.4 days and accumulates 2.24" (57mm) of precipitation.

Snowfall

In Poyen snow does not fall in April through October.

Daylight

In Poyen, the average length of the day is 12.4h.

Sunshine

The average sunshine in Poyen is 9.5h.

UV index

The average daily maximum UV index in Poyen is 6. A UV Index value of 6 to 7 symbolizes a high health hazard from unsafe exposure to the UV radiation for average individuals.
Note: In September, the average maximum UV index of 6 translate into the following recommendations:
Take precautions and adopt sun safety practices. Protection against sunburn is obliged. Seek shade and minimize exposure to direct Sun in a period between 10 a.m. and 4 p.m. when UV radiation is most intense; keep in mind that shade structures like parasols or canopies do not provide perfect sun protection. A wide-brim hat offers excellent sun protection for eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Tightly woven, loose-fitting clothes provide additional protection from the Sun.
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FAQ

What is the temperature in September in Poyen?

In September, in Poyen, Arkansas, the average high-temperature is 85.5°F (29.7°C), and the average low-temperature is 64.8°F (18.2°C). In September, the average heat index (a.k.a. 'felt air temperature', 'apparent temperature'), that combines both air temperature and relative humidity, is evaluated at 94.6°F (34.8°C).

What are the least humid months in Poyen?

Months with the lowest humidity in Poyen are July, September and October, with an average relative humidity of 72%.

What is the average humidity in September in Poyen?

The average relative humidity in September in Poyen is 72%.

How much does it rain in Poyen in September?

In Poyen, Arkansas, in September, it is raining for 13.4 days, with typically 2.24" (57mm) of accumulated precipitation.

What is the driest month in Poyen?

The month with the least rainfall is September when the rain falls for 13.4 days and typically collects 2.24" (57mm) of precipitation.

When it does not snow in Poyen?

April through October are months without snowfall in Poyen.

What is the average length of the day in September in Poyen?

The average length of the day in September in Poyen is 12.4h.

How many hours of sunshine does Poyen have in September?

In September, the average sunshine in Poyen, Arkansas, is 9.5h.

What is the UV index reading in September in Poyen?

In September, the average daily maximum UV index in Poyen, Arkansas, is 6. A UV Index value of 6 to 7 symbolizes a high health risk from the exposure to the Sun's UV rays.

Average temperature in September
Poyen, AR

Average temperature in September - Poyen, AR
  • Average high temperature in September: 85.5°F

The warmest month (with the highest average high temperature) is July (92.1°F).
The month with the lowest average high temperature is January (49.6°F).

  • Average low temperature in September: 64.8°F

The month with the highest average low temperature is July (71.6°F).
The coldest month (with the lowest average low temperature) is January (33.6°F).

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Average pressure in September
Poyen, AR

Average pressure in September - Poyen, AR
  • Average pressure in September: 30"

The month with the highest atmospheric pressure is January (30.17").
The month with the lowest atmospheric pressure is June (29.94").

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Average wind speed in September
Poyen, AR

Average wind speed in September - Poyen, AR
  • Average wind speed in September: 4.9mph

The windiest month (with the highest average wind speed) is April (7.5mph).
The calmest month (with the lowest average wind speed) is August (4.7mph).

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Average humidity in September
Poyen, AR

Average humidity in September - Poyen, AR
  • Average humidity in September: 72%

The month with the highest relative humidity is March (80%).
Months with the lowest relative humidity are July, September and October (72%).

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Average rainfall in September
Poyen, AR

Average rainfall in September - Poyen, AR
  • Average rainfall in September: 2.24"

The wettest month (with the highest rainfall) is April (4.53").
The driest month (with the least rainfall) is September (2.24").

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Average rainfall days in September
Poyen, AR

Average rainfall days in September - Poyen, AR
  • Average rainfall days in September: 13.4 days

The month with the highest number of rainy days is August (18.3 days).
The month with the least rainy days is November (10.2 days).

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Average snowfall in September
Poyen, AR

Average snowfall in September - Poyen, AR
  • Average snowfall in September: 0"

The month with the highest snowfall is February (0.91").
Months with the least snowfall are April, May, June, July, August, September and October (0").

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Average snowfall days in September
Poyen, AR

Average snowfall days in September - Poyen, AR
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is February (1.8 days).
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
Poyen, AR

Average daylight in September / Average sunshine in September - Poyen, AR
  • Average daylight in September: 12.4h

The month with the longest days is June (Average daylight: 14.4h).
The month with the shortest days is December (Average daylight: 9.9h).

  • Average sunshine in September: 9.5h

Months with the most sunshine are June, July and August (Average sunshine: 10.4h).
Months with the least sunshine are January and February (Average sunshine: 5.2).

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Average sunshine days in September
Poyen, AR

Average sunshine days in September - Poyen, AR
  • Average sunshine days in September: 13.9 days

The month with the most sunshine days is January (18.6 days).
The month with the least sunshine days is August (10 days).

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Average UV index in September
Poyen, AR

Average UV index in September - Poyen, AR
  • Average UV index in September: 6

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).

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Average cloud cover in September
Poyen, AR

Average cloud cover in September - Poyen, AR
  • Average cloud cover in September: 28

The month with the most cloud cover is February (Cloud cover 48).
Months with the least cloud cover are June and September (Cloud cover 28).

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Average visibility in September
Poyen, AR

Average visibility in September - Poyen, AR
  • Average visibility in September: 6mi

Months with the highest visibility are January, February, March, April, June, July, August, September, October and November (6mi).
Months with the lowest visibility are May and December (5mi).

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