September weather forecast
Little Rock, AR

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

Weather in September

September in Little Rock signifies the start of fall, wherein temperatures gradually subside from the summer highs. Notably, the temperature decreases from the August heights to settle between 65.1°F (18.4°C) and 85.3°F (29.6°C). The month continues to receive substantial sunlight, although not as much as in summer. Coincided with the decreased cloud coverage, the city experiences a drier air. September is a transitional month, gently escorting the city away from the intensity of summer.

Temperature

The start of September comes with a small reduction in the average high-temperature, subtly receding from a tropical 90.9°F (32.7°C) in August to a moderately hot 85.3°F (29.6°C). During the nights in September, Little Rock experiences a consistent average temperature of 65.1°F (18.4°C).

Heat index

Throughout September, the heat index is evaluated at a hot 93.2°F (34°C). Undertake enhanced precautions, heat exhaustion and heat cramps are possible risks. Continuous activity could trigger heatstroke.
Heat index guidelines indicate values are for light wind scenarios and shaded regions. Uninterrupted exposure to the sun may boost the heat index values by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'real feel', marries air temperature and humidity to produce a value illustrating perceived warmth. Elements of metabolic variation, physical activity, and clothing contribute to the effect of temperature on an individual. 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 of high significance for children. Kids frequently ignore the importance of taking a break and rehydrating. Thirst is a late symptom of dehydration - thus, it is crucial to stay hydrated, especially during long-lasting physical activities.

Humidity

In September, the average relative humidity is 71%.

Rainfall

In Little Rock, in September, it is raining for 10.5 days, with typically 1.14" (29mm) of accumulated precipitation. Throughout the year, in Little Rock, Arkansas, there are 133.5 rainfall days, and 18.94" (481mm) of precipitation is accumulated.

Snowfall

In Little Rock, snow does not fall in April through November.

Daylight

In Little Rock, the average length of the day in September is 12h and 23min.
On the first day of September, sunrise is at 6:42 am and sunset at 7:35 pm. On the last day of the month, sunrise is at 7:03 am and sunset at 6:54 pm CDT.

Sunshine

The average sunshine in September is 9.8h.

UV index

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 hazard from unsafe exposure to UV radiation for the ordinary person.
Note: A daily maximum UV index of 6 in September translates into the following instructions:
Beware of overexposure. Fair-skinned individuals risk burning in less than 20 minutes. Try to minimize direct Sun exposure between 10 a.m. and 4 p.m., the peak period for UV radiation. Also note that objects like parasols or canopies might not provide complete sun protection. Equip yourself with UVA and UVB-filtering sunglasses on clear, sunny days.
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Frequently asked questions

How hot is September in Little Rock?

The average high-temperature and low-temperature in Little Rock during September are 85.3°F (29.6°C) and 65.1°F (18.4°C) respectively. The average heat index (a.k.a. 'real feel', 'feels like'), which takes the relative humidity and factors it into the air temperature reading, in September is evaluated at 93.2°F (34°C).

What is the average humidity in September in Little Rock?

In September, the average relative humidity is 71%.

How much does it rain in Little Rock in September?

In Little Rock, during September, the rain falls for 10.5 days and regularly aggregates up to 1.14" (29mm) of precipitation.

When it does not snow in Little Rock?

In Little Rock, Arkansas, snow does not fall in April through November.

What is the average length of the day in September in Little Rock?

In Little Rock, Arkansas, the average day length in September is 12h and 23min.

What time are sunrise and sunset in September in Little Rock?

On the first day of September, sunrise is at 6:42 am and sunset at 7:35 pm. On the last day of the month, sunrise is at 7:03 am and sunset at 6:54 pm CDT.

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

The average sunshine duration in September in Little Rock is 9.8h.

What is the UV index intensity in September in Little Rock?

In September, the average daily maximum UV index in Little Rock is 6. A UV Index value of 6 to 7 symbolizes a high hazard to health from exposure to the Sun's UV radiation.
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
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"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
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%

The 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").
The 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).
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
Little Rock, AR

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

The month with the longest days is June (Average daylight: 14h and 30min).
The month with the shortest days is December (Average daylight: 9h and 54min).

  • Average sunshine in September: 9h and 5min

The month with the most sunshine is June (Average sunshine: 10h and 48min).
The month with the least sunshine is February (Average sunshine: 5h and 12min).

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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

The months with the highest UV index are June and July (UV index 7).
The 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

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

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Little Rock, Arkansas, USA

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