September weather forecast and climate
Story, AR

Weather in September

The first month of the autumn, September, is still a warm month in Story, Arkansas, with average temperature ranging between max 83.7°F (28.7°C) and min 63°F (17.2°C).

Temperature

In Story, the average high-temperature in September slightly decreases, from a hot 90.1°F (32.3°C) in August, to a moderately hot 83.7°F (28.7°C). The average low-temperature, in September, is 63°F (17.2°C).

Heat index

The average heat index is evaluated at a tropical 90.7°F (32.6°C). Take special precautions - heat exhaustion and heat cramps are expected. Heatstroke may occur with lengthy activity.
Take into consideration that the heat index values are calculated for shade and light wind conditions. 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', 'apparent temperature', or 'feels like', combines air temperature and relative humidity to represent a human perceived temperature equivalent. This effect is subjective, depending on the activity and individual's heat perception influenced by various reasons (metabolic differences, pregnancy, differences in body mass, height, and shape). 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

Months with the lowest humidity in Story are July through October, with an average relative humidity of 73%.

Rainfall

In September, in Story, the rain falls for 13.2 days. Throughout September, 2.72" (69mm) of precipitation is accumulated. Throughout the year, there are 160.2 rainfall days, and 38.86" (987mm) of precipitation is accumulated.

Snowfall

In Story snow does not fall in April through October.

Daylight

The average length of the day in Story, Arkansas, is 12.4h.

Sunshine

In September, the average sunshine in Story, Arkansas, is 9.2h.

UV index

In Story, the average daily maximum UV index is 5. A UV Index of 3 to 5 symbolizes a moderate health risk from unprotected exposure to the Sun's UV rays for the ordinary person.
Note: The average daily UV index of 5 in September transform into the following instructions:
Take precautions - Protection against sun damage is advised. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects.
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FAQ

What is the temperature in September in Story?

The average high-temperature, in September, is 83.7°F (28.7°C), while the average low-temperature is 63°F (17.2°C). The average heat index (a.k.a. 'real feel', 'apparent temperature'), that combines air temperature and relative humidity, in September is estimated at 90.7°F (32.6°C).

What is the least humid month in Story?

July through October, with an average relative humidity of 73%, are the least humid months in Story.

What is the average humidity in September in Story?

In Story, the average relative humidity in September is 73%.

How many days does it rain in September in Story?

In Story, during September, the rain falls for 13.2 days and regularly aggregates up to 2.72" (69mm) of precipitation.

When it does not snow in Story?

In Story, Arkansas, snow does not fall in April through October.

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

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

How many hours of sunshine does Story have in September?

In September, the average sunshine in Story, Arkansas, is 9.2h.

How high is the UV index in September in Story?

The average daily maximum UV index in September in Story, Arkansas, is 5. A UV Index value of 3 to 5 symbolizes a medium health risk from unsafe exposure to the Sun's UV rays.

Average temperature in September
Story, AR

Average temperature in September - Story, 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
Story, AR

Average pressure in September - Story, 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
Story, AR

Average wind speed in September - Story, 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
Story, AR

Average humidity in September - Story, AR
  • Average humidity in September: 73%

The month with the highest relative humidity is March (80%).
Months with the lowest relative humidity are July, August, September and October (73%).

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Average rainfall in September
Story, AR

Average rainfall in September - Story, 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
Story, AR

Average rainfall days in September - Story, 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
Story, AR

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

The month with the highest snowfall is February (1.46").
Months with the least snowfall are April, May, June, July, August, September and October (0").

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Average snowfall days in September
Story, AR

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

The month with the highest number of snowfall days is February (2 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
Story, AR

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

The month with the longest days is June (Average daylight: 14.5h).
The month with the shortest days is December (Average daylight: 9.9h).

  • Average sunshine in September: 9.2h

The month with the most sunshine is July (Average sunshine: 10.2h).
Months with the least sunshine are February and December (Average sunshine: 5.1).

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Average sunshine days in September
Story, AR

Average sunshine days in September - Story, 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
Story, AR

Average UV index in September - Story, 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
Story, AR

Average cloud cover in September - Story, AR
  • Average cloud cover in September: 30

The month with the most cloud cover is February (Cloud cover 49).
Months with the least cloud cover are June, July, August and September (Cloud cover 30).

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Average visibility in September
Story, AR

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

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

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