September Weather in Nicholasville, United States

Last updated: June 24, 2025

In September, the average temperature in Nicholasville, United States is a pleasant 22°C (71°F). However, temperatures can range from a chilly 8°C (46°F) to a sweltering 36°C (97°F). Expect about 128 mm (5.1 in) of precipitation spread over 9 days, and enjoy the moderate average humidity of 67% during your stay!

September Temperature in Nicholasville

In September in Nicholasville, the average temperature is 22°C (71°F), with maximums reaching 36°C (97°F) and minimums dropping as low as 8°C (46°F). This diverse range of temperatures makes it an ideal time for travelers to enjoy a variety of outdoor activities while packing for both warm and cooler conditions.

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

The chart illustrates September temperature patterns in Nicholasville, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Nicholasville, September typically has an average temperature of 22°C (71°F), with highs reaching up to 36°C (97°F) and lows dropping to around 8°C (46°F).
JanFebMarAprMayJunJulAugSepOctNovDec364148556773787671604541
Data source: Temperature data for Nicholasville generated using information from the Copernicus Climate Change Service.
Choose your preferred temperature unit
The average of daily temperatures (24 hours) calculated across all days in the month.

September Precipitation in Nicholasville

In Nicholasville in September, the precipitation amount is 128 mm (5.1 in) over the course of 9 days.

September Precipitation Trends in Nicholasville

The chart displays monthly precipitation patterns in Nicholasville, 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 Nicholasville, September typically receives around 128 mm (5.1 inches) of precipitation spread over approximately 9 days.
JanFebMarAprMayJunJulAugSepOctNovDec99140133141119170969312811087131
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

September Humidity in Nicholasville

In Nicholasville 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 Nicholasville

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

In Nicholasville 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 Nicholasville.

Maximum UV Index Levels in Nicholasville for September

The chart shows the monthly maximum UV Index (UVI) for Nicholasville 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 Nicholasville typically reaches 9, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec3579101110109753
Data source: Nicholasville 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 Nicholasville Compares to Other Months

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

This table compares monthly weather conditions in Nicholasville, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather2°C (36°F)99 mm (3.9 inches)88%moderate
February Weather5°C (41°F)140 mm (5.5 inches)88%moderate
March Weather9°C (48°F)133 mm (5.2 inches)87%high
April Weather13°C (56°F)141 mm (5.6 inches)84%very high
May Weather19°C (67°F)119 mm (4.7 inches)84%very high
June Weather23°C (74°F)170 mm (6.7 inches)83%extreme
July Weather25°C (78°F)96 mm (3.8 inches)79%very high
August Weather24°C (76°F)92 mm (3.6 inches)66%very high
September Weather22°C (71°F)128 mm (5.1 inches)67%very high
October Weather16°C (60°F)110 mm (4.3 inches)76%high
November Weather7°C (45°F)87 mm (3.4 inches)89%moderate
December Weather5°C (41°F)131 mm (5.1 inches)88%moderate

Compare Nicholasville's Climate with Cities Worldwide