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September Weather in Ashville, United States

Last updated: June 24, 2025

In Ashville, United States, the average temperature in September is a pleasant 24°C (76°F). However, be prepared for a range of temperatures, as it can drop to a minimum of 11°C (52°F) and soar up to a maximum of 36°C (97°F). During this month, expect 93 mm (3.7 in) of precipitation spread over about 9 days, contributing to an average humidity of 73%.

September Temperature in Ashville

In September in Ashville, the average temperature is 24°C (76°F). Maximum temperatures can reach 36°C (97°F), while minimums can dip as low as 11°C (52°F). This diverse temperature range makes Ashville an ideal destination for travelers seeking both warm days and cooler evenings.

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

The chart illustrates September temperature patterns in Ashville, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Ashville, September typically has an average temperature of 24°C (76°F), with highs reaching up to 36°C (97°F) and lows dropping to around 11°C (52°F).
JanFebMarAprMayJunJulAugSepOctNovDec465157637277807976675349
Data source: Temperature data for Ashville 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 Ashville

In Ashville in September, the precipitation amount is 93 mm (3.7 in) over the course of 9 days.

September Precipitation Trends in Ashville

The chart displays monthly precipitation patterns in Ashville, 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 Ashville, September typically receives around 93 mm (3.7 inches) of precipitation spread over approximately 9 days.
JanFebMarAprMayJunJulAugSepOctNovDec1231751451581041421091289312585151
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Ashville

In Ashville in September humidity is 73%. With an average temperature of 24°C (76°F), this humidity feels like a warm and sticky embrace, making travel slightly uncomfortable as the air thickens around you, prompting you to seek shade and stay hydrated.

September Average Humidity in Ashville

This chart illustrates the average monthly humidity levels in Ashville, 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 Ashville is approximately 73%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec85%84%82%82%81%77%77%72%73%73%85%88%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Ashville

In Ashville 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 Ashville.

Maximum UV Index Levels in Ashville for September

The chart shows the monthly maximum UV Index (UVI) for Ashville 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 Ashville typically reaches 9, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec47810111111109764
Data source: Ashville 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 Ashville Compares to Other Months

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

This table compares monthly weather conditions in Ashville, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather8°C (46°F)123 mm (4.8 inches)85%moderate
February Weather11°C (52°F)175 mm (6.9 inches)84%high
March Weather14°C (58°F)145 mm (5.7 inches)82%very high
April Weather17°C (63°F)158 mm (6.2 inches)82%very high
May Weather22°C (72°F)104 mm (4.1 inches)81%extreme
June Weather25°C (77°F)142 mm (5.6 inches)77%extreme
July Weather27°C (80°F)108 mm (4.3 inches)77%extreme
August Weather26°C (80°F)128 mm (5.0 inches)72%very high
September Weather24°C (76°F)93 mm (3.7 inches)73%very high
October Weather19°C (67°F)125 mm (4.9 inches)73%high
November Weather11°C (53°F)85 mm (3.3 inches)85%high
December Weather9°C (49°F)151 mm (6.0 inches)88%moderate

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