September Weather in Shepherdsville, United States

Last updated: June 24, 2025

In Shepherdsville, United States, the average temperature in September hovers around 22°C (72°F). However, temperatures can vary significantly, with a minimum of 8°C (46°F) and a sweltering maximum of 36°C (97°F). Expect about 117 mm (4.6 in) of precipitation spread over 9 days during this month, coupled with an average humidity of 71%. Stay prepared for a mix of weather!

September Temperature in Shepherdsville

In September in Shepherdsville, the average temperature is 22°C (72°F). Maximums can reach 36°C (97°F) and minimums can be as low as 8°C (46°F). It's a great time to visit for those who enjoy mild weather with occasional warm days.

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

The chart illustrates September temperature patterns in Shepherdsville, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Shepherdsville, September typically has an average temperature of 22°C (72°F), with highs reaching up to 36°C (97°F) and lows dropping to around 8°C (46°F).

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

September Precipitation in Shepherdsville

In Shepherdsville in September, the total precipitation amount is 117 mm (4.6 in) spread over a period of 9 days.

September Precipitation Trends in Shepherdsville

The chart displays monthly precipitation patterns in Shepherdsville, 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 Shepherdsville, September typically receives around 117 mm (4.6 inches) of precipitation spread over approximately 9 days.

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

Choose your preferred precipitation unit

Millimeters (mm) Inches (in)

September Humidity in Shepherdsville

In Shepherdsville in September humidity is 71%. With an average temperature of 22°C (72°F), this humidity feels like the air is thick and slightly stifling, making outdoor activities require frequent breaks to stay hydrated and cool.

September Average Humidity in Shepherdsville

This chart illustrates the average monthly humidity levels in Shepherdsville, 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 Shepherdsville 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 Shepherdsville

In Shepherdsville 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 Shepherdsville.

Maximum UV Index Levels in Shepherdsville for September

The chart shows the monthly maximum UV Index (UVI) for Shepherdsville 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 Shepherdsville typically reaches 9, which falls under the very high exposure category.

Data source: Shepherdsville 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 Shepherdsville Compares to Other Months

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

This table compares monthly weather conditions in Shepherdsville, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	2°C (36°F)	91 mm (3.6 inches)	87%	moderate
February Weather	5°C (40°F)	137 mm (5.4 inches)	86%	moderate
March Weather	9°C (48°F)	134 mm (5.3 inches)	86%	high
April Weather	13°C (56°F)	139 mm (5.5 inches)	82%	very high
May Weather	20°C (68°F)	128 mm (5.0 inches)	82%	very high
June Weather	24°C (75°F)	156 mm (6.1 inches)	83%	extreme
July Weather	26°C (79°F)	101 mm (4.0 inches)	80%	very high
August Weather	25°C (77°F)	93 mm (3.7 inches)	74%	very high
September Weather	22°C (72°F)	117 mm (4.6 inches)	71%	very high
October Weather	16°C (61°F)	101 mm (4.0 inches)	78%	high
November Weather	7°C (45°F)	88 mm (3.4 inches)	88%	moderate
December Weather	5°C (41°F)	108 mm (4.2 inches)	88%	moderate