nomadseason

September Weather in Macomb, United States

Last updated: June 24, 2025

In September, the average temperature in Macomb, United States is a pleasant 21°C (70°F). However, be prepared for fluctuations, as temperatures can drop as low as 6°C (42°F) and soar up to 34°C (94°F). During this month, expect around 92 mm (3.6 in) of precipitation spread across approximately 8 days, with an average humidity of 78%.

September Temperature in Macomb

In September in Macomb, the average temperature is 21°C (70°F). The maximum can reach 34°C (94°F), while the minimum can be as low as 6°C (42°F). This pleasant temperature range makes Macomb an ideal destination for travelers looking to enjoy a comfortable climate.

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

The chart illustrates September temperature patterns in Macomb, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Macomb, September typically has an average temperature of 21°C (70°F), with highs reaching up to 34°C (94°F) and lows dropping to around 6°C (42°F).
JanFebMarAprMayJunJulAugSepOctNovDec272942516475777470554034
Data source: Temperature data for Macomb 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 Macomb

In Macomb in September, the precipitation amount is 92 mm (3.6 in), occurring over the course of 8 days.

September Precipitation Trends in Macomb

The chart displays monthly precipitation patterns in Macomb, 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 Macomb, September typically receives around 92 mm (3.6 inches) of precipitation spread over approximately 8 days.
JanFebMarAprMayJunJulAugSepOctNovDec58651161051691369593921125347
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

September Humidity in Macomb

In Macomb in September, humidity is 78%. With an average temperature of 21°C (70°F), this humidity feels like a warm, enveloping blanket that can leave travelers feeling sticky and slightly fatigued, making it important to stay hydrated and take frequent breaks from outdoor activities.

September Average Humidity in Macomb

This chart illustrates the average monthly humidity levels in Macomb, 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 Macomb is approximately 78%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec81%81%81%82%78%81%79%77%78%79%87%84%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Macomb

In Macomb 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 Macomb.

Maximum UV Index Levels in Macomb for September

The chart shows the monthly maximum UV Index (UVI) for Macomb 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 Macomb typically reaches 8, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec357810111098642
Data source: Macomb 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 Macomb Compares to Other Months

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

This table compares monthly weather conditions in Macomb, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-3°C (27°F)58 mm (2.3 inches)81%moderate
February Weather-2°C (29°F)65 mm (2.5 inches)81%moderate
March Weather6°C (42°F)116 mm (4.6 inches)81%high
April Weather11°C (51°F)105 mm (4.1 inches)82%very high
May Weather18°C (64°F)169 mm (6.6 inches)78%very high
June Weather24°C (75°F)136 mm (5.3 inches)81%extreme
July Weather25°C (78°F)95 mm (3.7 inches)79%very high
August Weather24°C (75°F)93 mm (3.7 inches)77%very high
September Weather21°C (70°F)92 mm (3.6 inches)78%very high
October Weather13°C (56°F)112 mm (4.4 inches)78%high
November Weather5°C (41°F)53 mm (2.1 inches)87%moderate
December Weather1°C (35°F)47 mm (1.9 inches)84%low

Compare Macomb's Climate with Cities Worldwide