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September Weather in Wintersville, United States

Last updated: June 24, 2025

In Wintersville, United States, the average temperature for September hovers around 20°C (68°F), with minimums dipping to 5°C (41°F) and maximums soaring up to 34°C (93°F). Expect a precipitation total of 117 mm (4.6 in) spread across 10 days, while the average humidity rests at a comfortable 77%.

September Temperature in Wintersville

In September in Wintersville, the average temperature is 20°C (68°F). Maximums can reach 34°C (93°F) and minimums can be as low as 5°C (41°F). Travelers should be prepared for warm days and cool nights, making layering essentials for this time of year.

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

The chart illustrates September temperature patterns in Wintersville, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Wintersville, September typically has an average temperature of 20°C (68°F), with highs reaching up to 34°C (93°F) and lows dropping to around 5°C (41°F).
JanFebMarAprMayJunJulAugSepOctNovDec303441516270757367574236
Data source: Temperature data for Wintersville 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 Wintersville

In Wintersville in September, the total precipitation amount is 117 mm (4.6 in) recorded over a span of 10 days.

September Precipitation Trends in Wintersville

The chart displays monthly precipitation patterns in Wintersville, 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 Wintersville, September typically receives around 117 mm (4.6 inches) of precipitation spread over approximately 10 days.
JanFebMarAprMayJunJulAugSepOctNovDec92113101133132133130991171209598
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Wintersville

In Wintersville in September, humidity is 77%. With an average temperature of 20°C (68°F), this humidity feels like a warm, sticky embrace, making it essential for travelers to stay hydrated and take breaks in shaded areas to avoid feeling sluggish in the heat.

September Average Humidity in Wintersville

This chart illustrates the average monthly humidity levels in Wintersville, 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 Wintersville 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 Wintersville

In Wintersville 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 Wintersville.

Maximum UV Index Levels in Wintersville for September

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

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

This table compares monthly weather conditions in Wintersville, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-1°C (31°F)92 mm (3.6 inches)88%moderate
February Weather1°C (34°F)113 mm (4.5 inches)88%moderate
March Weather5°C (41°F)101 mm (4.0 inches)87%high
April Weather11°C (51°F)133 mm (5.2 inches)87%very high
May Weather17°C (62°F)132 mm (5.2 inches)81%very high
June Weather21°C (70°F)133 mm (5.2 inches)83%very high
July Weather24°C (75°F)130 mm (5.1 inches)82%very high
August Weather23°C (73°F)99 mm (3.9 inches)76%very high
September Weather20°C (68°F)117 mm (4.6 inches)77%very high
October Weather14°C (57°F)120 mm (4.7 inches)82%high
November Weather5°C (42°F)94 mm (3.7 inches)89%moderate
December Weather2°C (36°F)98 mm (3.9 inches)86%low

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