September weather forecast and climate
Little Rock, AR

Arkansas State Capital in Little Rock, Arkansas
Arkansas State Capital in Little Rock, Arkansas

Weather in September

The first month of the autumn, September, is also a moderately hot month in Little Rock, Arkansas, with average temperature varying between 85.3°F (29.6°C) and 65.1°F (18.4°C).

Temperature

In September, the average high-temperature marginally drops, from a tropical 90.9°F (32.7°C) in August, to a moderately hot 85.3°F (29.6°C). The average low-temperature, in Little Rock, is 65.1°F (18.4°C).

Heat index

The average heat index is evaluated at a tropical 93.7°F (34.3°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 'felt air temperature', 'feels like', 'apparent temperature', or 'real feel', is a measure of how hot it feels when the actual air humidity is factored in. Additional factors like differences in body mass, height, and shape, clothing, metabolic differences, and activity influence one's weather impression. Be aware that direct exposure to sunlight increases heat impact, and may raise the heat index additionally, 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

In Little Rock, Arkansas, the average relative humidity is 71%.

Rainfall

In Little Rock, Arkansas, during September, the rain falls for 10.5 days and regularly aggregates up to 1.14" (29mm) of precipitation. In Little Rock, during the entire year, the rain falls for 133.5 days and collects up to 18.94" (481mm) of precipitation.

Snowfall

April through November are months without snowfall in Little Rock.

Daylight

In Little Rock, the average length of the day is 12.4h.

Sunshine

In September, the average sunshine in Little Rock is 9.8h.

UV index

In Little Rock, Arkansas, the average daily maximum UV index is 6. A UV Index value of 6 to 7 symbolizes a high health vulnerability from unprotected exposure to the Sun's UV rays for the average person.
Note: The daily maximum UV index of 6 in September interpret into the following advice:
Take precautions against overexposure. Fair-skinned people may get burned in less than 20 minutes. The Sun's UV radiation is most powerful between 10 a.m. and 4 p.m. To the extent possible, limit exposure to the direct sun during these hours. 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 Little Rock?

In Little Rock, Arkansas, in September, the average high-temperature is 85.3°F (29.6°C), and the average low-temperature is 65.1°F (18.4°C). In September, the average heat index (a.k.a. 'feels like', 'real feel'), that combines relative humidity and air temperature, is appraised at 93.7°F (34.3°C).

What is the average humidity in September in Little Rock?

In September, the average relative humidity in Little Rock, Arkansas, is 71%.

How many days does it rain in September in Little Rock?

In Little Rock, Arkansas, in September, it is raining for 10.5 days, with typically 1.14" (29mm) of accumulated precipitation.

When it does not snow in Little Rock?

April through November are months without snowfall in Little Rock, Arkansas.

How many hours of daylight does Little Rock have in September?

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

How long on average sun shines in September in Little Rock?

In September, the average sunshine is 9.8h.

How high is the UV index in September in Little Rock?

The average daily maximum UV index in September is 6. A UV Index value of 6 to 7 symbolizes a high health threat from the exposure to the Sun's UV radiation.

Average temperature in September
Little Rock, AR

Average temperature in September - Little Rock, AR
  • Average high temperature in September: 85.3°F

The warmest month (with the highest average high temperature) is July (91.9°F).
The month with the lowest average high temperature is January (48.7°F).

  • Average low temperature in September: 65.1°F

The month with the highest average low temperature is July (72.5°F).
The coldest month (with the lowest average low temperature) is January (34.2°F).

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Average pressure in September
Little Rock, AR

Average pressure in September - Little Rock, 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
Little Rock, AR

Average wind speed in September - Little Rock, AR
  • Average wind speed in September: 5.4mph

The windiest month (with the highest average wind speed) is February (8.2mph).
The calmest month (with the lowest average wind speed) is August (5.2mph).

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Average humidity in September
Little Rock, AR

Average humidity in September - Little Rock, AR
  • Average humidity in September: 71%

Months with the highest relative humidity are March and December (77%).
The month with the lowest relative humidity is October (69%).

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Average rainfall in September
Little Rock, AR

Average rainfall in September - Little Rock, AR
  • Average rainfall in September: 1.14"

The wettest month (with the highest rainfall) is April (2.24").
The driest month (with the least rainfall) is January (1.06").

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Average rainfall days in September
Little Rock, AR

Average rainfall days in September - Little Rock, AR
  • Average rainfall days in September: 10.5 days

The month with the highest number of rainy days is July (16.3 days).
The month with the least rainy days is January (8.1 days).

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Average snowfall in September
Little Rock, AR

Average snowfall in September - Little Rock, AR
  • Average snowfall in September: 0"

The month with the highest snowfall is February (0.51").
Months with the least snowfall are April, May, June, July, August, September, October and November (0").

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Average snowfall days in September
Little Rock, AR

Average snowfall days in September - Little Rock, AR
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is February (1.4 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
Little Rock, AR

Average daylight in September / Average sunshine in September - Little Rock, 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: 9.8h

The month with the most sunshine is June (Average sunshine: 10.8h).
The month with the least sunshine is February (Average sunshine: 5.2h).

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Average sunshine days in September
Little Rock, AR

Average sunshine days in September - Little Rock, AR
  • Average sunshine days in September: 17.8 days

The month with the most sunshine days is January (20.7 days).
The month with the least sunshine days is July (11.3 days).

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Average UV index in September
Little Rock, AR

Average UV index in September - Little Rock, AR
  • Average UV index in September: 6

Months with the highest UV index are June and July (UV index 7).
Months with the lowest UV index are January, February, November and December (UV index 3).

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Average cloud cover in September
Little Rock, AR

Average cloud cover in September - Little Rock, AR
  • Average cloud cover in September: 27

The month with the most cloud cover is February (Cloud cover 45).
The month with the least cloud cover is June (Cloud cover 25).

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Average visibility in September
Little Rock, AR

Average visibility in September - Little Rock, AR
  • Average visibility in September: 6mi

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

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