nomadseason

September Weather in Crossville, United States

Last updated: June 24, 2025

In Crossville, United States, the average temperature in September hovers around 21°C (71°F), providing a pleasant climate for outdoor activities. Expect a range from a cool 8°C (46°F) to a warm 33°C (92°F) as the days progress. During this month, 112 mm (4.4 in) of precipitation typically falls over 10 days, with an average humidity level of 64%, making it a time of refreshing breezes and occasional showers.

September Temperature in Crossville

In September, in Crossville, the average temperature is 21°C (71°F). The maximum can reach 33°C (92°F) and the minimum can be as low as 8°C (46°F). This range makes it an ideal time for travelers to enjoy both warm days and cooler evenings while exploring the area.

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

The chart illustrates September temperature patterns in Crossville, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Crossville, September typically has an average temperature of 21°C (71°F), with highs reaching up to 33°C (92°F) and lows dropping to around 8°C (46°F).
JanFebMarAprMayJunJulAugSepOctNovDec394450576773767471614743
Data source: Temperature data for Crossville 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 Crossville

In Crossville in September, the total precipitation amount is 112 mm (4.4 in) over the course of 10 days.

September Precipitation Trends in Crossville

The chart displays monthly precipitation patterns in Crossville, 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 Crossville, September typically receives around 112 mm (4.4 inches) of precipitation spread over approximately 10 days.
JanFebMarAprMayJunJulAugSepOctNovDec10718716916314514016016011212875145
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

September Humidity in Crossville

In Crossville in September, humidity is 64%. With an average temperature of 21°C (71°F), this humidity feels like a warm embrace, making it comfortable for traveling but with a slight stickiness in the air that calls for light, breathable clothing and plenty of hydration.

September Average Humidity in Crossville

This chart illustrates the average monthly humidity levels in Crossville, 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 Crossville is approximately 64%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec87%87%85%82%83%82%78%67%64%75%87%89%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Crossville

In Crossville 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 Crossville.

Maximum UV Index Levels in Crossville for September

The chart shows the monthly maximum UV Index (UVI) for Crossville 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 Crossville typically reaches 9, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec36810111111109753
Data source: Crossville 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 Crossville Compares to Other Months

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

This table compares monthly weather conditions in Crossville, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather4°C (39°F)107 mm (4.2 inches)87%moderate
February Weather7°C (44°F)187 mm (7.4 inches)87%high
March Weather10°C (51°F)169 mm (6.7 inches)85%very high
April Weather14°C (57°F)163 mm (6.4 inches)82%very high
May Weather20°C (67°F)145 mm (5.7 inches)83%extreme
June Weather23°C (73°F)140 mm (5.5 inches)82%extreme
July Weather25°C (76°F)160 mm (6.3 inches)78%extreme
August Weather24°C (75°F)160 mm (6.3 inches)67%very high
September Weather21°C (71°F)112 mm (4.4 inches)64%very high
October Weather16°C (61°F)128 mm (5.0 inches)74%high
November Weather8°C (47°F)75 mm (2.9 inches)87%moderate
December Weather6°C (43°F)145 mm (5.7 inches)88%moderate

Compare Crossville's Climate with Cities Worldwide