nomadseason

September Weather in Cadillac, United States

Last updated: June 24, 2025

In September, the average temperature in Cadillac, United States hovers around 16°C (61°F). Expect a range where the mercury can dip to a chilly -1°C (31°F) at its lowest and reach a warm 33°C (92°F) at its peak. This month also brings 87 mm (3.4 in) of precipitation over 10 days, contributing to a notable average humidity of 79%.

September Temperature in Cadillac

In September, in Cadillac, the average temperature is 16°C (61°F). Maximums can reach 33°C (92°F) and minimums can drop as low as -1°C (31°F). Travelers should prepare for a wide range of weather conditions, from warm days to chilly nights.

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

The chart illustrates September temperature patterns in Cadillac, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Cadillac, September typically has an average temperature of 16°C (61°F), with highs reaching up to 33°C (92°F) and lows dropping to around -1°C (31°F).
JanFebMarAprMayJunJulAugSepOctNovDec212231425666716861483427
Data source: Temperature data for Cadillac generated using information from the Copernicus Climate Change Service.
Choose your preferred temperature unit
The average of daily temperatures (24 hours) calculated across all days in the month.

September Precipitation in Cadillac

In Cadillac in September, the precipitation amount is 87 mm (3.4 in) over the course of 10 days.

September Precipitation Trends in Cadillac

The chart displays monthly precipitation patterns in Cadillac, 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 Cadillac, September typically receives around 87 mm (3.4 inches) of precipitation spread over approximately 10 days.
JanFebMarAprMayJunJulAugSepOctNovDec59606310612411310296871356570
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

September Humidity in Cadillac

In Cadillac in September humidity is 79%. With an average temperature of 16°C (61°F), this humidity feels like a warm, moist embrace, making travel a bit more challenging as the air tends to weigh heavily, but it also offers a refreshing atmosphere perfect for exploring local sights and enjoying nature.

September Average Humidity in Cadillac

This chart illustrates the average monthly humidity levels in Cadillac, 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 Cadillac is approximately 79%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec91%91%87%87%82%79%76%76%79%83%86%87%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Cadillac

In Cadillac in September, the maximum UV index is 7, which corresponds to the high Exposure Category. This means that the time to burn is approximately 25 minutes. For more detailed information, you can check the Hourly UV Index in Cadillac.

Maximum UV Index Levels in Cadillac for September

The chart shows the monthly maximum UV Index (UVI) for Cadillac 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 Cadillac typically reaches 7, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec2457910987532
Data source: Cadillac 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 Cadillac Compares to Other Months

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

This table compares monthly weather conditions in Cadillac, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-6°C (22°F)59 mm (2.3 inches)91%low
February Weather-6°C (22°F)60 mm (2.4 inches)91%moderate
March Weather0°C (32°F)63 mm (2.5 inches)87%moderate
April Weather5°C (42°F)106 mm (4.2 inches)87%high
May Weather13°C (56°F)124 mm (4.9 inches)82%very high
June Weather19°C (66°F)113 mm (4.4 inches)79%very high
July Weather22°C (71°F)102 mm (4.0 inches)75%very high
August Weather20°C (68°F)95 mm (3.8 inches)76%very high
September Weather16°C (61°F)87 mm (3.4 inches)79%high
October Weather9°C (49°F)135 mm (5.3 inches)83%moderate
November Weather1°C (35°F)65 mm (2.6 inches)86%moderate
December Weather-3°C (28°F)70 mm (2.7 inches)87%low

Compare Cadillac's Climate with Cities Worldwide