September Weather in Little Rock, United States

Last updated: June 24, 2025

In September, the average temperature in Little Rock, United States is a mild 15°C (59°F), with minimums dipping to 0°C (32°F) and reaching a comfortable maximum of 29°C (85°F). Expect 106 mm (4.2 in) of precipitation spread over 12 days, and enjoy a relatively high average humidity of 77%.

September Temperature in Little Rock

In September in Little Rock, the average temperature is 15°C (59°F), with maximums reaching 29°C (85°F) and minimums dropping as low as 0°C (32°F). This makes it an ideal time for travelers to experience a pleasant climate while preparing for variable weather conditions.

September Weather in Little Rock: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Little Rock, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Little Rock, September typically has an average temperature of 15°C (59°F), with highs reaching up to 29°C (85°F) and lows dropping to around 0°C (32°F).
JanFebMarAprMayJunJulAugSepOctNovDec9926365466716758432616
Data source: Temperature data for Little Rock generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

September Precipitation in Little Rock

In Little Rock in September, the precipitation amount is 106 mm (4.2 in), occurring over a span of 12 days.

September Precipitation Trends in Little Rock

The chart displays monthly precipitation patterns in Little Rock, with values for each month alongside September’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how September’s conditions compare to those of other months. In Little Rock, September typically receives around 106 mm (4.2 inches) of precipitation spread over approximately 12 days.
JanFebMarAprMayJunJulAugSepOctNovDec2224265753828071106893044
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Little Rock

In Little Rock in September, humidity is 77%. With an average temperature of 15°C (59°F), this humidity feels like a warm blanket enveloping you, making it essential to stay hydrated and choose light, breathable clothing for comfortable travel.

September Average Humidity in Little Rock

This chart illustrates the average monthly humidity levels in Little Rock, with September’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In September, average humidity in Little Rock is approximately 77%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec90%92%85%81%75%79%77%78%77%79%86%86%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Little Rock

In Little Rock in September, the maximum UV index is 7, which corresponds to the high Exposure Category. This means that the time to burn is approximately 25 minutes. For more detailed information, you can check the Hourly UV Index in Little Rock.

Maximum UV Index Levels in Little Rock for September

The chart shows the monthly maximum UV Index (UVI) for Little Rock in September, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues. In September, the maximum UV index in Little Rock typically reaches 7, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec245789987532
Data source: Little Rock September UVI data generated using information from the Copernicus Climate Change Service.

UV Risk Categories

  •  Extreme (11+): Avoid the sun, stay in shade.
  •  Very High (8-10): Limit sun exposure.
  •  High (6-7): Use SPF 30+ and protective clothing.
  •  Moderate (3-5): Midday shade recommended.
  •  Low (0-2): No protection needed.

How September Weather in Little Rock Compares to Other Months

Weather in Little Rock varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Little Rock, focusing on differences in temperature, rainfall, humidity, and UV levels.

This table compares monthly weather conditions in Little Rock, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-13°C (10°F)22 mm (0.9 inches)90%low
February Weather-13°C (9°F)24 mm (0.9 inches)92%moderate
March Weather-3°C (26°F)25 mm (1.0 inches)85%moderate
April Weather2°C (36°F)57 mm (2.3 inches)81%high
May Weather12°C (54°F)53 mm (2.1 inches)75%very high
June Weather19°C (67°F)82 mm (3.2 inches)79%very high
July Weather22°C (71°F)80 mm (3.1 inches)76%very high
August Weather19°C (67°F)71 mm (2.8 inches)78%very high
September Weather15°C (59°F)106 mm (4.2 inches)77%high
October Weather6°C (43°F)89 mm (3.5 inches)79%moderate
November Weather-3°C (26°F)30 mm (1.2 inches)86%moderate
December Weather-9°C (16°F)44 mm (1.7 inches)86%low

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