September Weather in West Liberty, United States

Last updated: June 24, 2025

In West Liberty, United States, the average temperature in September typically hovers around 20°C (69°F). Temperatures can range from a chilly 5°C (40°F) to a warm 34°C (94°F). During this time, expect an average of 118 mm (4.7 in) of precipitation spread over 8 days, along with a comfortable average humidity of 78%.

September Temperature in West Liberty

In September in West Liberty, the average temperature is 20°C (69°F). Maximum temperatures can reach 34°C (94°F), while the minimum can drop as low as 5°C (40°F). It's a great time to enjoy outdoor activities, so pack accordingly for both warm days and cooler nights.

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 20°C (69°F), with highs reaching up to 34°C (94°F) and lows dropping to around 5°C (40°F).
JanFebMarAprMayJunJulAugSepOctNovDec232540496374777469543932
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 118 mm (4.7 in) over the course 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 118 mm (4.7 inches) of precipitation spread over approximately 8 days.
JanFebMarAprMayJunJulAugSepOctNovDec5159868714113372731181275147
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 78%. With an average temperature of 20°C (69°F), this humidity feels like a warm, enveloping blanket, making travel somewhat uncomfortable as sweat clings to your skin and the air feels thick and heavy, urging you to seek out shaded areas and refreshing drinks.

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 78%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec81%81%81%82%78%81%79%77%78%79%87%84%
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 8, which corresponds to a very high Exposure Category. This means that the time to burn is only 15 minutes. For more detailed information, you can refer to 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 8, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec35689111098643
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 Weather-5°C (23°F)51 mm (2.0 inches)81%moderate
February Weather-4°C (26°F)59 mm (2.3 inches)81%moderate
March Weather4°C (40°F)86 mm (3.4 inches)81%high
April Weather10°C (50°F)87 mm (3.4 inches)82%very high
May Weather17°C (63°F)141 mm (5.6 inches)78%very high
June Weather23°C (74°F)133 mm (5.2 inches)81%extreme
July Weather25°C (77°F)72 mm (2.8 inches)79%very high
August Weather23°C (74°F)73 mm (2.9 inches)77%very high
September Weather20°C (69°F)118 mm (4.7 inches)78%very high
October Weather12°C (54°F)126 mm (5.0 inches)78%high
November Weather4°C (39°F)51 mm (2.0 inches)87%moderate
December Weather0°C (32°F)47 mm (1.9 inches)84%moderate

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