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September Weather in Hillsville, United States

Last updated: June 24, 2025

In September, the average temperature in Hillsville, United States is a pleasant 20°C (68°F). However, temperatures can vary significantly, with a minimum of 3°C (38°F) and a maximum reaching 31°C (89°F). During this time, expect about 117 mm (4.6 in) of precipitation over 11 days, contributing to an average humidity of 68%.

September Temperature in Hillsville

In September in Hillsville, the average temperature is 20°C (68°F). The maximum can reach 31°C (89°F), while the minimum can drop to as low as 3°C (38°F). This varied climate makes Hillsville an ideal destination for travelers seeking both warm days and cool nights.

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

The chart illustrates September temperature patterns in Hillsville, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Hillsville, September typically has an average temperature of 20°C (68°F), with highs reaching up to 31°C (89°F) and lows dropping to around 3°C (38°F).
JanFebMarAprMayJunJulAugSepOctNovDec364146546369737267584440
Data source: Temperature data for Hillsville 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 Hillsville

In Hillsville in September, the total precipitation amount reaches 117 mm (4.6 in) over the course of 11 days.

September Precipitation Trends in Hillsville

The chart displays monthly precipitation patterns in Hillsville, 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 Hillsville, September typically receives around 117 mm (4.6 inches) of precipitation spread over approximately 11 days.
JanFebMarAprMayJunJulAugSepOctNovDec73109841261161008311211712173101
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Hillsville

In Hillsville in September humidity is 68%. With an average temperature of 20°C (68°F), this humidity feels like a warm embrace, making it ideal for leisurely strolls while also prompting travelers to stay hydrated and seek out refreshing breaks from the heat.

September Average Humidity in Hillsville

This chart illustrates the average monthly humidity levels in Hillsville, 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 Hillsville is approximately 68%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec87%87%86%84%83%83%79%66%68%78%89%86%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Hillsville

In Hillsville in September, the maximum UV index reaches 10, which corresponds to a very high Exposure Category. With a time to burn of just 15 minutes, it's crucial to take precautions. For more detailed information, you can check the Hourly UV Index in Hillsville.

Maximum UV Index Levels in Hillsville for September

The chart shows the monthly maximum UV Index (UVI) for Hillsville 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 Hillsville typically reaches 10, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec468101111111010853
Data source: Hillsville 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 Hillsville Compares to Other Months

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

This table compares monthly weather conditions in Hillsville, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather2°C (36°F)73 mm (2.9 inches)87%moderate
February Weather5°C (42°F)109 mm (4.3 inches)87%high
March Weather8°C (46°F)84 mm (3.3 inches)86%very high
April Weather12°C (55°F)126 mm (5.0 inches)84%very high
May Weather17°C (63°F)116 mm (4.6 inches)83%extreme
June Weather21°C (70°F)100 mm (3.9 inches)83%extreme
July Weather23°C (74°F)83 mm (3.3 inches)79%extreme
August Weather22°C (72°F)112 mm (4.4 inches)66%very high
September Weather20°C (68°F)117 mm (4.6 inches)68%very high
October Weather14°C (58°F)121 mm (4.7 inches)78%very high
November Weather7°C (44°F)73 mm (2.9 inches)89%moderate
December Weather4°C (40°F)101 mm (4.0 inches)86%moderate

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