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September Weather in Liberty, United States

Last updated: June 24, 2025

In September, the average temperature in Liberty, United States is a pleasant 22°C (72°F). However, you may experience a range with minimums dipping to 8°C (47°F) and soaring to a maximum of 36°C (96°F). Be prepared for 123 mm (4.8 in) of precipitation spread over 9 days, contributing to an average humidity of 71%.

September Temperature in Liberty

In September in Liberty, the average temperature is 22°C (72°F), with maximum temperatures potentially reaching 36°C (96°F) and minimums dipping as low as 8°C (47°F). This makes it an ideal time for travelers seeking pleasant weather and a variety of outdoor activities.

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

The chart illustrates September temperature patterns in Liberty, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Liberty, September typically has an average temperature of 22°C (72°F), with highs reaching up to 36°C (96°F) and lows dropping to around 8°C (47°F).
JanFebMarAprMayJunJulAugSepOctNovDec384350576874797772614643
Data source: Temperature data for Liberty 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 Liberty

In Liberty in September, the precipitation amount is 123 mm (4.8 in) over the course of 9 days.

September Precipitation Trends in Liberty

The chart displays monthly precipitation patterns in Liberty, 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 Liberty, September typically receives around 123 mm (4.8 inches) of precipitation spread over approximately 9 days.
JanFebMarAprMayJunJulAugSepOctNovDec10318814914713615911610712312291153
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Liberty

In Liberty in September humidity is 71%. With an average temperature of 22°C (72°F), this humidity feels like the air is thick and slightly stifling, making outdoor activities require frequent breaks to stay hydrated and cool.

September Average Humidity in Liberty

This chart illustrates the average monthly humidity levels in Liberty, 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 Liberty is approximately 71%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec87%86%86%82%83%83%80%74%71%78%88%88%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Liberty

In Liberty 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 Liberty.

Maximum UV Index Levels in Liberty for September

The chart shows the monthly maximum UV Index (UVI) for Liberty 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 Liberty typically reaches 9, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec3679101111109753
Data source: Liberty 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 Liberty Compares to Other Months

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

This table compares monthly weather conditions in Liberty, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather3°C (38°F)103 mm (4.1 inches)87%moderate
February Weather6°C (43°F)188 mm (7.4 inches)86%high
March Weather10°C (50°F)149 mm (5.9 inches)86%high
April Weather14°C (57°F)147 mm (5.8 inches)82%very high
May Weather20°C (68°F)136 mm (5.3 inches)82%very high
June Weather23°C (74°F)159 mm (6.3 inches)83%extreme
July Weather26°C (79°F)116 mm (4.6 inches)80%extreme
August Weather25°C (77°F)106 mm (4.2 inches)74%very high
September Weather22°C (72°F)123 mm (4.8 inches)71%very high
October Weather16°C (62°F)122 mm (4.8 inches)78%high
November Weather8°C (47°F)91 mm (3.6 inches)88%moderate
December Weather6°C (43°F)153 mm (6.0 inches)88%moderate

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