September Weather in Russellville, United States

Last updated: June 24, 2025

The average temperature in Russellville, United States during September is a pleasant 22°C (73°F). Temperatures can vary, with a minimum of 7°C (46°F) and a maximum soaring up to 35°C (96°F). Expect 59 mm (2.3 in) of precipitation spread over about 6 days, resulting in an average humidity of 72% that adds a touch of warmth to the air.

September Temperature in Russellville

In September, in Russellville, the average temperature is 22°C (73°F). Maximums can reach 35°C (96°F), and minimums can be as low as 7°C (46°F). This pleasant weather makes Russellville an ideal destination for travelers looking to explore and enjoy outdoor activities.

September Weather in Russellville: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Russellville, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Russellville, September typically has an average temperature of 22°C (73°F), with highs reaching up to 35°C (96°F) and lows dropping to around 7°C (46°F).
JanFebMarAprMayJunJulAugSepOctNovDec333547556676807772584540
Data source: Temperature data for Russellville 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 Russellville

In Russellville in September, the precipitation amount is 59 mm (2.3 in) over the course of 6 days.

September Precipitation Trends in Russellville

The chart displays monthly precipitation patterns in Russellville, 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 Russellville, September typically receives around 59 mm (2.3 inches) of precipitation spread over approximately 6 days.
JanFebMarAprMayJunJulAugSepOctNovDec696311612516310111897591045939
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Russellville

In Russellville in September, humidity is 72%. With an average temperature of 22°C (73°F), this humidity feels like a warm embrace, making it ideal for leisurely strolls but potentially uncomfortable for prolonged outdoor activities.

September Average Humidity in Russellville

This chart illustrates the average monthly humidity levels in Russellville, 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 Russellville is approximately 72%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec80%78%75%77%82%83%81%78%72%72%84%86%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Russellville

In Russellville 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 Russellville.

Maximum UV Index Levels in Russellville for September

The chart shows the monthly maximum UV Index (UVI) for Russellville 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 Russellville typically reaches 9, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec3579101111109753
Data source: Russellville 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 Russellville Compares to Other Months

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

This table compares monthly weather conditions in Russellville, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather1°C (33°F)69 mm (2.7 inches)80%moderate
February Weather2°C (36°F)63 mm (2.5 inches)78%moderate
March Weather9°C (48°F)116 mm (4.6 inches)75%high
April Weather13°C (55°F)125 mm (4.9 inches)77%very high
May Weather19°C (66°F)163 mm (6.4 inches)82%very high
June Weather25°C (77°F)101 mm (4.0 inches)83%extreme
July Weather26°C (80°F)118 mm (4.6 inches)81%extreme
August Weather25°C (77°F)97 mm (3.8 inches)78%very high
September Weather22°C (73°F)59 mm (2.3 inches)72%very high
October Weather15°C (59°F)104 mm (4.1 inches)72%high
November Weather7°C (45°F)59 mm (2.3 inches)84%moderate
December Weather4°C (40°F)39 mm (1.5 inches)86%moderate

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