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September Weather in Worthington, United States

Last updated: June 24, 2025

In September, the average temperature in Worthington, United States hovers around 18°C (65°F). Expect a minimum of 3°C (38°F) and a maximum of 32°C (91°F), making for quite the temperature range. During this month, the area experiences approximately 109 mm (4.3 in) of precipitation over 9 days, with an average humidity of 75%.

September Temperature in Worthington

In September in Worthington, the average temperature is 18°C (65°F). Maximums can reach 32°C (91°F) and minimums can be as low as 3°C (38°F). It's a great time for travelers to enjoy a mix of warm days and cooler nights, making it ideal for outdoor activities and sightseeing.

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

The chart illustrates September temperature patterns in Worthington, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Worthington, September typically has an average temperature of 18°C (65°F), with highs reaching up to 32°C (91°F) and lows dropping to around 3°C (38°F).
JanFebMarAprMayJunJulAugSepOctNovDec181834445972747065483426
Data source: Temperature data for Worthington 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 Worthington

In Worthington in September, the total precipitation amount is 109 mm (4.3 in) spread over 9 days.

September Precipitation Trends in Worthington

The chart displays monthly precipitation patterns in Worthington, 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 Worthington, September typically receives around 109 mm (4.3 inches) of precipitation spread over approximately 9 days.
JanFebMarAprMayJunJulAugSepOctNovDec2932679312912787110109913040
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Worthington

In Worthington in September, humidity is 75%. With an average temperature of 18°C (65°F), this humidity feels like a warm, enveloping blanket that can make outdoor exploration feel a bit stifling, potentially leading to discomfort during travel activities.

September Average Humidity in Worthington

This chart illustrates the average monthly humidity levels in Worthington, 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 Worthington is approximately 75%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec80%84%75%79%74%81%82%80%75%77%85%83%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Worthington

In Worthington 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 Worthington.

Maximum UV Index Levels in Worthington for September

The chart shows the monthly maximum UV Index (UVI) for Worthington 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 Worthington typically reaches 8, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec35689111098533
Data source: Worthington 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 Worthington Compares to Other Months

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

This table compares monthly weather conditions in Worthington, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-8°C (19°F)29 mm (1.1 inches)80%moderate
February Weather-8°C (18°F)32 mm (1.3 inches)84%moderate
March Weather1°C (34°F)67 mm (2.6 inches)75%high
April Weather7°C (44°F)92 mm (3.6 inches)79%very high
May Weather15°C (59°F)129 mm (5.1 inches)74%very high
June Weather22°C (72°F)127 mm (5.0 inches)81%extreme
July Weather23°C (74°F)87 mm (3.4 inches)82%very high
August Weather21°C (71°F)110 mm (4.3 inches)80%very high
September Weather18°C (65°F)109 mm (4.3 inches)75%very high
October Weather9°C (48°F)91 mm (3.6 inches)77%moderate
November Weather1°C (34°F)30 mm (1.2 inches)85%moderate
December Weather-3°C (26°F)40 mm (1.6 inches)83%moderate

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