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September Weather in Uniontown, United States

Last updated: June 24, 2025

In September, the average temperature in Uniontown, United States hovers around 20°C (67°F). You can expect a minimum chill of 4°C (40°F) and a warm peak of 33°C (92°F). With precipitation averaging 101 mm (4.0 in) over 10 days and an average humidity of 77%, it's a month to embrace both sunshine and the occasional shower!

September Temperature in Uniontown

In September in Uniontown, the average temperature is 20°C (67°F). The maximum can reach 33°C (92°F), and the minimum can be as low as 4°C (40°F). It's an ideal time for travelers to enjoy mild weather and explore both outdoor activities and cultural sites.

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

The chart illustrates September temperature patterns in Uniontown, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Uniontown, September typically has an average temperature of 20°C (67°F), with highs reaching up to 33°C (92°F) and lows dropping to around 4°C (40°F).
JanFebMarAprMayJunJulAugSepOctNovDec293240506270747267564135
Data source: Temperature data for Uniontown 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 Uniontown

In Uniontown in September, the precipitation amount is 101 mm (4.0 in) spread over the course of 10 days.

September Precipitation Trends in Uniontown

The chart displays monthly precipitation patterns in Uniontown, 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 Uniontown, September typically receives around 101 mm (4.0 inches) of precipitation spread over approximately 10 days.
JanFebMarAprMayJunJulAugSepOctNovDec8498102133122131119931011069391
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Uniontown

In Uniontown in September, humidity is 77%. With an average temperature of 20°C (67°F), this humidity feels like a thick, warm blanket wrapping around you, making travel uncomfortable and sticky, and often leading to a quick need for shade or refreshing drinks.

September Average Humidity in Uniontown

This chart illustrates the average monthly humidity levels in Uniontown, 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 Uniontown is approximately 77%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec89%88%87%87%81%83%82%76%77%82%89%86%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Uniontown

In Uniontown 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 Uniontown.

Maximum UV Index Levels in Uniontown for September

The chart shows the monthly maximum UV Index (UVI) for Uniontown 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 Uniontown typically reaches 8, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec356910101098642
Data source: Uniontown 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 Uniontown Compares to Other Months

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

This table compares monthly weather conditions in Uniontown, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-2°C (29°F)84 mm (3.3 inches)88%moderate
February Weather0°C (33°F)98 mm (3.8 inches)88%moderate
March Weather4°C (40°F)102 mm (4.0 inches)87%high
April Weather10°C (50°F)133 mm (5.2 inches)87%very high
May Weather16°C (62°F)121 mm (4.8 inches)81%very high
June Weather21°C (70°F)131 mm (5.1 inches)83%very high
July Weather24°C (75°F)119 mm (4.7 inches)82%very high
August Weather22°C (72°F)93 mm (3.7 inches)76%very high
September Weather20°C (67°F)101 mm (4.0 inches)77%very high
October Weather14°C (57°F)106 mm (4.2 inches)82%high
November Weather5°C (41°F)93 mm (3.7 inches)89%moderate
December Weather2°C (35°F)91 mm (3.6 inches)86%low

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