September Weather in Zanesville, United States

Last updated: June 24, 2025

In Zanesville, United States, the average temperature in September hovers around 20°C (69°F), making it a pleasant time to visit. However, be prepared for a range, with temperatures dipping to a minimum of 4°C (40°F) and soaring to a maximum of 35°C (96°F). Expect 104 mm (4.1 in) of precipitation spread over about 9 days, and keep in mind the average humidity level of 73%, adding a touch of moist warmth to your experience.

September Temperature in Zanesville

In September in Zanesville, the average temperature is 20°C (69°F). Maximum temperatures can reach 35°C (96°F), while minimum temperatures can drop as low as 4°C (40°F). Be prepared for a range of weather conditions when traveling during this month in Zanesville.

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

The chart illustrates September temperature patterns in Zanesville, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Zanesville, September typically has an average temperature of 20°C (69°F), with highs reaching up to 35°C (96°F) and lows dropping to around 4°C (40°F).
JanFebMarAprMayJunJulAugSepOctNovDec323543526471767369584337
Data source: Temperature data for Zanesville 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 Zanesville

In Zanesville in September, the precipitation amount is 104 mm (4.1 in) over the course of 9 days.

September Precipitation Trends in Zanesville

The chart displays monthly precipitation patterns in Zanesville, 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 Zanesville, September typically receives around 104 mm (4.1 inches) of precipitation spread over approximately 9 days.
JanFebMarAprMayJunJulAugSepOctNovDec881131111301311551189710410399104
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Zanesville

In Zanesville in September humidity is 73%. With an average temperature of 20°C (69°F), this humidity feels like a warm embrace, making travel slightly sticky but ultimately comfortable as long as you stay hydrated and take breaks in the shade.

September Average Humidity in Zanesville

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

In Zanesville 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 Zanesville.

Maximum UV Index Levels in Zanesville for September

The chart shows the monthly maximum UV Index (UVI) for Zanesville 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 Zanesville typically reaches 8, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec356910101098643
Data source: Zanesville 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 Zanesville Compares to Other Months

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

This table compares monthly weather conditions in Zanesville, 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 (35°F)113 mm (4.4 inches)88%moderate
March Weather6°C (43°F)111 mm (4.4 inches)88%high
April Weather11°C (53°F)129 mm (5.1 inches)86%very high
May Weather18°C (64°F)131 mm (5.2 inches)82%very high
June Weather22°C (72°F)155 mm (6.1 inches)84%very high
July Weather24°C (76°F)118 mm (4.6 inches)82%very high
August Weather23°C (74°F)97 mm (3.8 inches)73%very high
September Weather20°C (69°F)104 mm (4.1 inches)73%very high
October Weather14°C (58°F)103 mm (4.0 inches)81%high
November Weather6°C (43°F)99 mm (3.9 inches)89%moderate
December Weather3°C (37°F)104 mm (4.1 inches)86%moderate

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