September Weather in West Liberty, United States

Last updated: June 24, 2025

In West Liberty, United States, the average temperature in September hovers around 21°C (71°F). Expect a minimum of 8°C (46°F) and a maximum of 37°C (98°F), making it a month of considerable variation. During this time, anticipate about 110 mm (4.3 in) of precipitation spread over 8 days, all while enjoying an average humidity of 67%.

September Temperature in West Liberty

In September in West Liberty, the average temperature is 21°C (71°F), with maximums reaching up to 37°C (98°F) and minimums dropping as low as 8°C (46°F). This variety in temperature makes West Liberty an appealing destination for travelers seeking both warm days and cooler evenings.

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

The chart illustrates September temperature patterns in West Liberty, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In West Liberty, September typically has an average temperature of 21°C (71°F), with highs reaching up to 37°C (98°F) and lows dropping to around 8°C (46°F).
JanFebMarAprMayJunJulAugSepOctNovDec364148566673777571604641
Data source: Temperature data for West 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 West Liberty

In West Liberty in September, the precipitation amount is 110 mm (4.3 in) over a period of 8 days.

September Precipitation Trends in West Liberty

The chart displays monthly precipitation patterns in West 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 West Liberty, September typically receives around 110 mm (4.3 inches) of precipitation spread over approximately 8 days.
JanFebMarAprMayJunJulAugSepOctNovDec9614211912912816311613411011175124
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in West Liberty

In West Liberty in September humidity is 67%. With an average temperature of 21°C (71°F), this humidity feels like a warm blanket wrapping around you, making traveling both refreshing and a bit stifling at times, as the air clings to your skin and encourages slow, leisurely exploration.

September Average Humidity in West Liberty

This chart illustrates the average monthly humidity levels in West 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 West Liberty is approximately 67%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec88%88%87%84%84%83%79%66%67%76%89%88%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in West Liberty

In West 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 West Liberty.

Maximum UV Index Levels in West Liberty for September

The chart shows the monthly maximum UV Index (UVI) for West 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 West Liberty typically reaches 9, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec3579101010109753
Data source: West 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 West Liberty Compares to Other Months

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

This table compares monthly weather conditions in West Liberty, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather2°C (37°F)96 mm (3.8 inches)88%moderate
February Weather5°C (41°F)142 mm (5.6 inches)88%moderate
March Weather9°C (48°F)119 mm (4.7 inches)87%high
April Weather13°C (56°F)129 mm (5.1 inches)84%very high
May Weather19°C (67°F)128 mm (5.0 inches)84%very high
June Weather23°C (73°F)163 mm (6.4 inches)83%very high
July Weather25°C (78°F)116 mm (4.6 inches)79%very high
August Weather24°C (75°F)134 mm (5.3 inches)66%very high
September Weather21°C (71°F)110 mm (4.3 inches)67%very high
October Weather16°C (61°F)111 mm (4.4 inches)76%high
November Weather8°C (46°F)75 mm (2.9 inches)89%moderate
December Weather5°C (41°F)124 mm (4.9 inches)88%moderate

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