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September Weather in Hopkinsville, United States

Last updated: June 24, 2025

In Hopkinsville, United States, the average temperature in September hovers around 23°C (74°F). However, you can expect a range with minimums dipping to 9°C (48°F) and maximums peaking at 37°C (98°F). During this month, precipitation averages 108 mm (4.3 in) over 8 days, accompanied by an average humidity of 75%.

September Temperature in Hopkinsville

In September in Hopkinsville, the average temperature is 23°C (74°F), with maximums reaching up to 37°C (98°F) and minimums dropping as low as 9°C (48°F). Be sure to pack both lightweight clothing for the warm days and a light jacket for the cooler evenings!

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

The chart illustrates September temperature patterns in Hopkinsville, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Hopkinsville, September typically has an average temperature of 23°C (74°F), with highs reaching up to 37°C (98°F) and lows dropping to around 9°C (48°F).
JanFebMarAprMayJunJulAugSepOctNovDec384251587077807873624744
Data source: Temperature data for Hopkinsville 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 Hopkinsville

In Hopkinsville in September, the precipitation amount is 108 mm (4.3 in) spread over 8 days.

September Precipitation Trends in Hopkinsville

The chart displays monthly precipitation patterns in Hopkinsville, 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 Hopkinsville, September typically receives around 108 mm (4.3 inches) of precipitation spread over approximately 8 days.
JanFebMarAprMayJunJulAugSepOctNovDec9816514415312611510312010812093127
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Hopkinsville

In Hopkinsville in September, humidity is 75%. With an average temperature of 23°C (74°F), this humidity feels like a warm, heavy blanket wrapping around you, making it feel more sweltering than it actually is, which can be quite uncomfortable for traveling.

September Average Humidity in Hopkinsville

This chart illustrates the average monthly humidity levels in Hopkinsville, 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 Hopkinsville is approximately 75%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec86%84%84%80%82%83%80%76%75%75%85%88%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Hopkinsville

In Hopkinsville 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 Hopkinsville.

Maximum UV Index Levels in Hopkinsville for September

The chart shows the monthly maximum UV Index (UVI) for Hopkinsville 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 Hopkinsville typically reaches 9, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec36710101111109753
Data source: Hopkinsville 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 Hopkinsville Compares to Other Months

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

This table compares monthly weather conditions in Hopkinsville, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather4°C (39°F)97 mm (3.8 inches)86%moderate
February Weather6°C (43°F)164 mm (6.5 inches)84%high
March Weather11°C (51°F)144 mm (5.7 inches)84%high
April Weather14°C (58°F)153 mm (6.0 inches)80%very high
May Weather21°C (70°F)125 mm (4.9 inches)82%very high
June Weather25°C (77°F)115 mm (4.5 inches)83%extreme
July Weather27°C (81°F)103 mm (4.0 inches)79%extreme
August Weather25°C (78°F)120 mm (4.7 inches)76%very high
September Weather23°C (74°F)108 mm (4.3 inches)75%very high
October Weather17°C (62°F)120 mm (4.7 inches)74%high
November Weather8°C (47°F)93 mm (3.7 inches)85%moderate
December Weather7°C (44°F)126 mm (5.0 inches)88%moderate

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