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September Weather in Dearborn, United States

Last updated: June 24, 2025

In September, the average temperature in Dearborn, United States is a pleasant 22°C (72°F). Expect temperatures to vary, with a minimum of 7°C (44°F) and a maximum of 33°C (92°F). During this month, precipitation amounts to 77 mm (3.0 in) over about 7 days, contributing to an average humidity of 72%. Perfect for those who enjoy a mild and slightly humid climate!

September Temperature in Dearborn

In September in Dearborn, the average temperature is 22°C (72°F). Maximums can reach 33°C (92°F), and minimums can be as low as 7°C (44°F). This pleasant range makes Dearborn an ideal destination for travelers seeking a comfortable climate.

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

The chart illustrates September temperature patterns in Dearborn, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Dearborn, September typically has an average temperature of 22°C (72°F), with highs reaching up to 33°C (92°F) and lows dropping to around 7°C (44°F).
JanFebMarAprMayJunJulAugSepOctNovDec303145536577797671564336
Data source: Temperature data for Dearborn 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 Dearborn

In Dearborn in September, the precipitation amount is 77 mm (3.0 in) over the course of 7 days.

September Precipitation Trends in Dearborn

The chart displays monthly precipitation patterns in Dearborn, 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 Dearborn, September typically receives around 77 mm (3.0 inches) of precipitation spread over approximately 7 days.
JanFebMarAprMayJunJulAugSepOctNovDec4835918020211687110771234836
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Dearborn

In Dearborn in September humidity is 72%. With an average temperature of 22°C (72°F), this humidity feels like you are stepping into a warm, embracing blanket, making traveling feel sweaty and slightly stifling, but the balmy weather is also quite perfect for exploring local attractions.

September Average Humidity in Dearborn

This chart illustrates the average monthly humidity levels in Dearborn, 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 Dearborn is approximately 72%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec80%78%75%77%82%83%81%78%72%72%84%86%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Dearborn

In Dearborn in September, the maximum UV index is 9, which corresponds to a very high Exposure Category. The time to burn is just 15 minutes, so it's essential to take precautions. For detailed information, you can check the Hourly UV Index in Dearborn.

Maximum UV Index Levels in Dearborn for September

The chart shows the monthly maximum UV Index (UVI) for Dearborn 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 Dearborn typically reaches 9, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec3569101111109643
Data source: Dearborn 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 Dearborn Compares to Other Months

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

This table compares monthly weather conditions in Dearborn, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-1°C (30°F)48 mm (1.9 inches)80%moderate
February Weather0°C (32°F)34 mm (1.4 inches)78%moderate
March Weather7°C (46°F)90 mm (3.6 inches)75%high
April Weather12°C (54°F)80 mm (3.2 inches)77%very high
May Weather19°C (66°F)202 mm (7.9 inches)82%very high
June Weather25°C (77°F)116 mm (4.6 inches)83%extreme
July Weather26°C (80°F)87 mm (3.4 inches)81%extreme
August Weather25°C (77°F)110 mm (4.3 inches)78%very high
September Weather22°C (72°F)77 mm (3.0 inches)72%very high
October Weather13°C (56°F)122 mm (4.8 inches)72%high
November Weather6°C (43°F)48 mm (1.9 inches)84%moderate
December Weather2°C (37°F)36 mm (1.4 inches)86%moderate

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