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September Weather in Mars Hill, United States

Last updated: June 24, 2025

In Mars Hill, United States, the average temperature in September hovers around 19°C (67°F), with the mercury dipping as low as 4°C (40°F) and rising to a comfortable 30°C (87°F). Expect 107 mm (4.2 in) of precipitation across 11 days, contributing to an average humidity of 76%. Embrace the mix of warmth and moisture for a truly vibrant experience!

September Temperature in Mars Hill

In September in Mars Hill, the average temperature is 19°C (67°F), with maximums reaching 30°C (87°F) and minimums dropping as low as 4°C (40°F). It's a great time to visit for those who enjoy mild weather with the possibility of warm days and cool nights.

September Weather in Mars Hill: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Mars Hill, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Mars Hill, September typically has an average temperature of 19°C (67°F), with highs reaching up to 30°C (87°F) and lows dropping to around 4°C (40°F).
JanFebMarAprMayJunJulAugSepOctNovDec364246546268717066574440
Data source: Temperature data for Mars Hill 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 Mars Hill

In Mars Hill in September, the precipitation amount is 107 mm (4.2 in) spread over a period of 11 days.

September Precipitation Trends in Mars Hill

The chart displays monthly precipitation patterns in Mars Hill, 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 Mars Hill, September typically receives around 107 mm (4.2 inches) of precipitation spread over approximately 11 days.
JanFebMarAprMayJunJulAugSepOctNovDec791331161201099510112110712373113
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Mars Hill

In Mars Hill in September, humidity is 76%. With an average temperature of 19°C (67°F), this humidity feels like a warm blanket wrapping around you, making outdoor activities a bit sluggish and requiring regular breaks to stay hydrated while exploring.

September Average Humidity in Mars Hill

This chart illustrates the average monthly humidity levels in Mars Hill, 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 Mars Hill is approximately 76%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec86%86%86%82%85%85%83%76%76%80%88%88%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Mars Hill

In Mars Hill 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 Mars Hill.

Maximum UV Index Levels in Mars Hill for September

The chart shows the monthly maximum UV Index (UVI) for Mars Hill 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 Mars Hill typically reaches 10, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec468111111111010864
Data source: Mars Hill 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 Mars Hill Compares to Other Months

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

This table compares monthly weather conditions in Mars Hill, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather2°C (36°F)79 mm (3.1 inches)86%moderate
February Weather5°C (42°F)133 mm (5.2 inches)86%high
March Weather8°C (46°F)116 mm (4.6 inches)86%very high
April Weather12°C (54°F)120 mm (4.7 inches)82%extreme
May Weather17°C (62°F)109 mm (4.3 inches)85%extreme
June Weather20°C (68°F)95 mm (3.7 inches)85%extreme
July Weather22°C (72°F)101 mm (4.0 inches)83%extreme
August Weather21°C (70°F)121 mm (4.8 inches)76%very high
September Weather19°C (67°F)107 mm (4.2 inches)76%very high
October Weather14°C (58°F)123 mm (4.8 inches)80%very high
November Weather7°C (44°F)73 mm (2.9 inches)88%high
December Weather4°C (40°F)113 mm (4.5 inches)88%moderate

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