September Weather in Little Rock, United States

Last updated: June 24, 2025

In September, the average temperature in Little Rock, United States is a pleasant 25°C (76°F). However, temperatures can fluctuate, with a minimum of 10°C (50°F) and a scorching maximum of 37°C (99°F). Expect about 103 mm (4.1 in) of precipitation spread over 7 days and an average humidity level of 71%, creating a vibrant atmosphere throughout the month.

September Temperature in Little Rock

In September in Little Rock, the average temperature is 25°C (76°F). Maximums can reach 37°C (99°F), while minimums can be as low as 10°C (50°F). This range makes Little Rock a great destination for travelers seeking varied weather experiences.

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 25°C (76°F), with highs reaching up to 37°C (99°F) and lows dropping to around 10°C (50°F).

Data source: Temperature data for Little Rock generated using information from the Copernicus Climate Change Service.

September Precipitation in Little Rock

In Little Rock in September, the precipitation amount is 103 mm (4.1 in) over a span of 7 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 103 mm (4.1 inches) of precipitation spread over approximately 7 days.

Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.

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Millimeters (mm) Inches (in)

September Humidity in Little Rock

In Little Rock in September, humidity is 71%. With an average temperature of 25°C (76°F), this humidity feels like a warm, heavy blanket enveloping you, making outdoor adventures feel sticky and slightly uncomfortable, but still enjoyable with the right balance of hydration and shade.

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 71%, offering insight into how humid the weather typically is during this month.

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 9, which corresponds to a very high Exposure Category. The time to burn is just 15 minutes, so it's essential to take precautions. For 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 9, which falls under the very high exposure category.

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.
	Temperature	Precipitation	Humidity	UV
January Weather	6°C (43°F)	91 mm (3.6 inches)	84%	moderate
February Weather	8°C (46°F)	146 mm (5.8 inches)	83%	high
March Weather	13°C (56°F)	154 mm (6.1 inches)	81%	very high
April Weather	16°C (61°F)	163 mm (6.4 inches)	81%	very high
May Weather	22°C (72°F)	164 mm (6.4 inches)	83%	extreme
June Weather	26°C (79°F)	102 mm (4.0 inches)	83%	extreme
July Weather	28°C (82°F)	107 mm (4.2 inches)	81%	extreme
August Weather	27°C (80°F)	115 mm (4.5 inches)	74%	very high
September Weather	25°C (76°F)	103 mm (4.1 inches)	71%	very high
October Weather	18°C (65°F)	97 mm (3.8 inches)	76%	high
November Weather	11°C (51°F)	75 mm (3.0 inches)	84%	moderate
December Weather	9°C (48°F)	140 mm (5.5 inches)	88%	moderate