September Weather in Barbourville, United States

Last updated: June 24, 2025

In Barbourville, United States, the average temperature for September hovers around 22°C (71°F). Expect a range between 8°C (46°F) and 35°C (95°F), making for some varied weather. You'll also encounter about 100 mm (3.9 in) of precipitation spread over 10 days, contributing to an average humidity level of 67%. Stay prepared for a mix of sun and showers!

September Temperature in Barbourville

In September in Barbourville, the average temperature is 22°C (71°F). The maximum can reach 35°C (95°F) while the minimum can be as low as 8°C (46°F). Be sure to pack a mix of light clothing and warmer layers to stay comfortable during your travels.

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

The chart illustrates September temperature patterns in Barbourville, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Barbourville, September typically has an average temperature of 22°C (71°F), with highs reaching up to 35°C (95°F) and lows dropping to around 8°C (46°F).
JanFebMarAprMayJunJulAugSepOctNovDec384450576773777571614743
Data source: Temperature data for Barbourville 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 Barbourville

In Barbourville in September, the precipitation amount is 100 mm (3.9 in) over a span of 10 days.

September Precipitation Trends in Barbourville

The chart displays monthly precipitation patterns in Barbourville, 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 Barbourville, September typically receives around 100 mm (3.9 inches) of precipitation spread over approximately 10 days.
JanFebMarAprMayJunJulAugSepOctNovDec9619014615112112810414110013378141
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Barbourville

In Barbourville in September, humidity is 67%. With an average temperature of 22°C (71°F), this humidity feels like a warm embrace, making outdoor activities enjoyable yet slightly uncomfortable, as the air hangs thick, reminding travelers to stay hydrated and seek shade during the midday sun.

September Average Humidity in Barbourville

This chart illustrates the average monthly humidity levels in Barbourville, 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 Barbourville is approximately 67%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec88%88%87%84%84%83%79%66%67%76%89%88%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Barbourville

In Barbourville 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 Barbourville.

Maximum UV Index Levels in Barbourville for September

The chart shows the monthly maximum UV Index (UVI) for Barbourville 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 Barbourville typically reaches 9, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec3679111111109753
Data source: Barbourville 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 Barbourville Compares to Other Months

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

This table compares monthly weather conditions in Barbourville, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather4°C (39°F)96 mm (3.8 inches)88%moderate
February Weather7°C (44°F)190 mm (7.5 inches)88%high
March Weather10°C (50°F)146 mm (5.7 inches)87%high
April Weather14°C (57°F)151 mm (5.9 inches)84%very high
May Weather20°C (67°F)121 mm (4.8 inches)84%extreme
June Weather23°C (73°F)128 mm (5.0 inches)83%extreme
July Weather25°C (78°F)104 mm (4.1 inches)79%extreme
August Weather24°C (76°F)141 mm (5.5 inches)66%very high
September Weather22°C (71°F)100 mm (3.9 inches)67%very high
October Weather16°C (61°F)133 mm (5.2 inches)76%high
November Weather8°C (47°F)78 mm (3.1 inches)89%moderate
December Weather6°C (43°F)141 mm (5.5 inches)88%moderate

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