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September Weather in Bowling Green, United States

Last updated: June 24, 2025

In September, the average temperature in Bowling Green, United States hovers around 20°C (68°F), making it a pleasant time to explore. However, be prepared for temperatures to swing between a cool 4°C (40°F) and a warm 34°C (93°F). Rainfall is not uncommon, with 64 mm (2.5 in) expected over 9 days, while the average humidity sits at a tropical 78%.

September Temperature in Bowling Green

In September in Bowling Green, the average temperature is 20°C (68°F), with maximums reaching up to 34°C (93°F) and minimums dropping as low as 4°C (40°F). This variety in temperature makes it a great time for travelers to enjoy both outdoor activities and cozy indoor experiences.

September Weather in Bowling Green: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Bowling Green, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Bowling Green, September typically has an average temperature of 20°C (68°F), with highs reaching up to 34°C (93°F) and lows dropping to around 4°C (40°F).
JanFebMarAprMayJunJulAugSepOctNovDec293140506272757368574135
Data source: Temperature data for Bowling Green 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 Bowling Green

In Bowling Green in September, the precipitation amount is 64 mm (2.5 in) over a span of 9 days.

September Precipitation Trends in Bowling Green

The chart displays monthly precipitation patterns in Bowling Green, 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 Bowling Green, September typically receives around 64 mm (2.5 inches) of precipitation spread over approximately 9 days.
JanFebMarAprMayJunJulAugSepOctNovDec727891991421191179064928760
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Bowling Green

In Bowling Green in September humidity is 78%. With an average temperature of 20°C (68°F), this humidity feels like a warm, enveloping blanket that makes exploring the sights a bit sticky, so travelers should stay hydrated and take frequent breaks in the shade.

September Average Humidity in Bowling Green

This chart illustrates the average monthly humidity levels in Bowling Green, 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 Bowling Green is approximately 78%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec88%87%87%88%81%82%81%78%78%82%89%86%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Bowling Green

In Bowling Green in September, the maximum UV index is 8, which corresponds to a very high Exposure Category. This means that the time to burn is only 15 minutes. For more detailed information, you can refer to the Hourly UV Index in Bowling Green.

Maximum UV Index Levels in Bowling Green for September

The chart shows the monthly maximum UV Index (UVI) for Bowling Green 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 Bowling Green typically reaches 8, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec356910101098642
Data source: Bowling Green 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 Bowling Green Compares to Other Months

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

This table compares monthly weather conditions in Bowling Green, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-2°C (29°F)72 mm (2.8 inches)88%moderate
February Weather-1°C (31°F)78 mm (3.1 inches)87%moderate
March Weather5°C (40°F)91 mm (3.6 inches)87%high
April Weather10°C (50°F)99 mm (3.9 inches)87%very high
May Weather17°C (62°F)142 mm (5.6 inches)81%very high
June Weather22°C (72°F)119 mm (4.7 inches)82%very high
July Weather24°C (76°F)117 mm (4.6 inches)81%very high
August Weather23°C (73°F)90 mm (3.5 inches)78%very high
September Weather20°C (68°F)64 mm (2.5 inches)78%very high
October Weather14°C (57°F)92 mm (3.6 inches)82%high
November Weather5°C (41°F)87 mm (3.4 inches)89%moderate
December Weather1°C (35°F)60 mm (2.3 inches)86%low

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