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September Weather in Liberty, United States

Last updated: June 24, 2025

In Liberty, United States, the average temperature in September is a pleasant 26°C (78°F). Expect minimums dipping to 11°C (53°F) and highs reaching up to 38°C (100°F). This month also brings about 118 mm (4.6 in) of precipitation over approximately 11 days, coupled with an average humidity of 79%.

September Temperature in Liberty

In September in Liberty, the average temperature is 26°C (78°F). The maximum can reach 38°C (100°F), and the minimum can be as low as 11°C (53°F). It's an ideal time for travelers to enjoy 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 26°C (78°F), with highs reaching up to 38°C (100°F) and lows dropping to around 11°C (53°F).
JanFebMarAprMayJunJulAugSepOctNovDec505662667479818078705754
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 118 mm (4.6 in) over the course of 11 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 118 mm (4.6 inches) of precipitation spread over approximately 11 days.
JanFebMarAprMayJunJulAugSepOctNovDec12312711515817615516016211810688143
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 79%. With an average temperature of 26°C (78°F), this humidity feels like a tropical blanket enveloping you, making outdoor activities less comfortable for traveling.

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 79%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec83%83%80%81%81%78%79%79%79%77%85%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 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 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 10, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec589111112121110864
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 Weather10°C (51°F)123 mm (4.8 inches)83%moderate
February Weather13°C (56°F)127 mm (5.0 inches)83%very high
March Weather17°C (62°F)115 mm (4.5 inches)80%very high
April Weather19°C (66°F)158 mm (6.2 inches)81%extreme
May Weather23°C (74°F)176 mm (6.9 inches)81%extreme
June Weather26°C (79°F)155 mm (6.1 inches)78%extreme
July Weather27°C (81°F)160 mm (6.3 inches)79%extreme
August Weather27°C (81°F)162 mm (6.4 inches)79%extreme
September Weather26°C (78°F)118 mm (4.6 inches)79%very high
October Weather21°C (70°F)106 mm (4.2 inches)77%very high
November Weather14°C (57°F)88 mm (3.5 inches)85%high
December Weather12°C (54°F)143 mm (5.6 inches)88%moderate

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