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September Weather in Wauseon, United States

Last updated: June 24, 2025

In September, the average temperature in Wauseon, United States hovers around 20°C (68°F), making it a comfortable time to explore. However, be prepared for fluctuations, with minimums dipping as low as 3°C (38°F) and maximums soaring up to 34°C (94°F). Expect 57 mm (2.2 in) of precipitation spread across 8 days, and embrace the humidity, which averages at a cozy 78%.

September Temperature in Wauseon

In September in Wauseon, the average temperature is 20°C (68°F). Maximum temperatures can reach 34°C (94°F), while minimums can dip as low as 3°C (38°F). Overall, it's an ideal time for travelers to enjoy a mix of warm days and cool nights in Wauseon.

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

The chart illustrates September temperature patterns in Wauseon, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Wauseon, September typically has an average temperature of 20°C (68°F), with highs reaching up to 34°C (94°F) and lows dropping to around 3°C (38°F).
JanFebMarAprMayJunJulAugSepOctNovDec283039496271757368564134
Data source: Temperature data for Wauseon 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 Wauseon

In Wauseon in September, the precipitation amount is 57 mm (2.2 in) over the course of 8 days.

September Precipitation Trends in Wauseon

The chart displays monthly precipitation patterns in Wauseon, 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 Wauseon, September typically receives around 57 mm (2.2 inches) of precipitation spread over approximately 8 days.
JanFebMarAprMayJunJulAugSepOctNovDec697088931391121038857908156
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Wauseon

In Wauseon in September humidity is 78%. With an average temperature of 20°C (68°F), this humidity feels like a warm, enveloping blanket that makes exploring the sights a bit sticky, so travelers should stay hydrated and take frequent breaks in the shade.

September Average Humidity in Wauseon

This chart illustrates the average monthly humidity levels in Wauseon, 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 Wauseon is approximately 78%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec88%87%87%88%81%82%81%78%78%82%89%86%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Wauseon

In Wauseon 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 Wauseon.

Maximum UV Index Levels in Wauseon for September

The chart shows the monthly maximum UV Index (UVI) for Wauseon 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 Wauseon typically reaches 8, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec35699101098642
Data source: Wauseon 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 Wauseon Compares to Other Months

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

This table compares monthly weather conditions in Wauseon, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-2°C (28°F)69 mm (2.7 inches)88%moderate
February Weather-1°C (30°F)70 mm (2.8 inches)87%moderate
March Weather4°C (40°F)88 mm (3.5 inches)87%high
April Weather9°C (49°F)93 mm (3.7 inches)87%very high
May Weather16°C (62°F)139 mm (5.5 inches)81%very high
June Weather22°C (72°F)112 mm (4.4 inches)82%very high
July Weather24°C (76°F)103 mm (4.0 inches)81%very high
August Weather23°C (73°F)88 mm (3.5 inches)78%very high
September Weather20°C (68°F)57 mm (2.2 inches)78%very high
October Weather13°C (56°F)90 mm (3.6 inches)82%high
November Weather5°C (41°F)81 mm (3.2 inches)89%moderate
December Weather1°C (34°F)56 mm (2.2 inches)86%low

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