nomadseason

September Weather in Waynesburg, United States

Last updated: June 24, 2025

In Waynesburg, United States, the average temperature in September reaches a comfortable 20°C (68°F), although it can vary significantly from a cool 5°C (42°F) to a warm 33°C (92°F). Be prepared for some rain, as 120 mm (4.7 in) of precipitation is expected over 9 days. With an average humidity of 73%, the weather can feel quite tropical.

September Temperature in Waynesburg

In September in Waynesburg, the average temperature is 20°C (68°F). Maximum temperatures can reach 33°C (92°F), while minimums can drop to as low as 5°C (42°F). This makes Waynesburg an ideal destination for travelers looking to enjoy a mix of warm days and cool nights.

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

The chart illustrates September temperature patterns in Waynesburg, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Waynesburg, September typically has an average temperature of 20°C (68°F), with highs reaching up to 33°C (92°F) and lows dropping to around 5°C (42°F).
JanFebMarAprMayJunJulAugSepOctNovDec323643526370757368584337
Data source: Temperature data for Waynesburg generated using information from the Copernicus Climate Change Service.
Choose your preferred temperature unit
The average of daily temperatures (24 hours) calculated across all days in the month.

September Precipitation in Waynesburg

In Waynesburg in September, the precipitation amount is 120 mm (4.7 in) over the course of 9 days.

September Precipitation Trends in Waynesburg

The chart displays monthly precipitation patterns in Waynesburg, 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 Waynesburg, September typically receives around 120 mm (4.7 inches) of precipitation spread over approximately 9 days.
JanFebMarAprMayJunJulAugSepOctNovDec8812111913214816714110112012087116
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

September Humidity in Waynesburg

In Waynesburg in September, humidity is 73%. With an average temperature of 20°C (68°F), this humidity feels like a warm embrace, making outdoor activities somewhat sticky, yet the atmosphere remains pleasant for leisurely strolls and sightseeing.

September Average Humidity in Waynesburg

This chart illustrates the average monthly humidity levels in Waynesburg, 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 Waynesburg is approximately 73%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec88%88%88%87%82%84%82%73%74%81%89%86%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Waynesburg

In Waynesburg 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 Waynesburg.

Maximum UV Index Levels in Waynesburg for September

The chart shows the monthly maximum UV Index (UVI) for Waynesburg 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 Waynesburg typically reaches 8, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec357910101098643
Data source: Waynesburg 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 Waynesburg Compares to Other Months

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

This table compares monthly weather conditions in Waynesburg, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather0°C (32°F)88 mm (3.5 inches)88%moderate
February Weather2°C (36°F)121 mm (4.8 inches)88%moderate
March Weather6°C (43°F)119 mm (4.7 inches)88%high
April Weather11°C (53°F)132 mm (5.2 inches)86%very high
May Weather17°C (63°F)148 mm (5.8 inches)82%very high
June Weather21°C (70°F)167 mm (6.6 inches)84%very high
July Weather24°C (75°F)141 mm (5.5 inches)82%very high
August Weather23°C (73°F)101 mm (4.0 inches)73%very high
September Weather20°C (68°F)120 mm (4.7 inches)73%very high
October Weather14°C (58°F)120 mm (4.7 inches)81%high
November Weather6°C (43°F)87 mm (3.4 inches)89%moderate
December Weather3°C (37°F)116 mm (4.6 inches)86%moderate

Compare Waynesburg's Climate with Cities Worldwide