Mackinaw City (MI)
September
Weather in Mackinaw City, Michigan for September 2026
Your guide to Mackinaw City weather in September - trends and predictions
In general, the average temperature in Mackinaw City at the beginning of September is 15.1 °F. As the month progressed, temperatures tended to moderately rise, reaching an average of 16.3 °F by the end of September.
Mackinaw City experiences moderate rainfall in September, with an average of 7 rainy days and a total precipitation of 168.1 mm.
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Temperatures
Rain 🌧️
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23
Dry days
7
Rainy days
0
Snow days
16°/14°
Temperatures
19 km/h
Avg max wind
87 %
Avg humidity
Mackinaw City Weather September
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Temperatures trend during September in Mackinaw City
See the weather trend as well as the moving average line
September weather in Mackinaw City day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| Sept. 1 |  Fog | 16° /14° | 0 mm | 1 | |
| Sept. 2 | Fog | 17° /15° | 0 mm | 1 | |
| Sept. 3 |  Moderate or heavy rain shower | 18° /12° | 49.5 mm | 1 | |
| Sept. 4 |  Light rain shower | 14° /9° | 3.5 mm | 2 | |
| Sept. 5 | Moderate or heavy rain shower | 14° /13° | 12.1 mm | 1 | |
| Sept. 6 |  Overcast | 13° /11° | 0 mm | 2 | |
| Sept. 7 |  Light rain | 14° /12° | 4.4 mm | 4 | |
| Sept. 8 |  Cloudy | 17° /13° | 0 mm | 6 | |
| Sept. 9 | Overcast | 19° /16° | 0 mm | 3 | |
| Sept. 10 | Overcast | 17° /15° | 0 mm | 1 | |
| Sept. 11 | Mist | 16° /14° | 0 mm | 6 | |
| Sept. 12 | Fog | 15° /13° | 0 mm | 1 | |
| Sept. 13 | Fog | 17° /14° | 0 mm | 1 | |
| Sept. 14 | Fog | 16° /14° | 0 mm | 4 | |
| Sept. 15 | Cloudy | 16° /14° | 0 mm | 5 | |
| Sept. 16 | Mist | 16° /14° | 0 mm | 1 | |
| Sept. 17 | Fog | 18° /14° | 0 mm | 3 | |
| Sept. 18 | Fog | 18° /14° | 0 mm | 1 | |
| Sept. 19 | Cloudy | 16° /11° | 0 mm | 5 | |
| Sept. 20 |  Partly cloudy | 16° /14° | 0 mm | 5 | |
| Sept. 21 | Light rain shower | 17° /14° | 26.3 mm | 1 | |
| Sept. 22 | Light rain shower | 18° /16° | 1.7 mm | 2 | |
| Sept. 23 | Moderate or heavy rain shower | 17° /16° | 70.6 mm | 1 | |
| Sept. 24 | Overcast | 16° /14° | 0 mm | 1 | |
| Sept. 25 | Mist | 16° /14° | 0 mm | 2 | |
| Sept. 26 | Fog | 15° /14° | 0 mm | 1 | |
| Sept. 27 | Overcast | 16° /14° | 0 mm | 2 | |
| Sept. 28 | Partly cloudy | 16° /13° | 0 mm | 4 | |
| Sept. 29 |  Sunny | 18° /15° | 0 mm | 3 | |
| Sept. 30 | Sunny | 17° /15° | 0 mm | 3 | |
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Important Notice
Our weather forecast for Mackinaw City in September is based on the analysis of historical data rather than real-time forecast models. While this provides a general overview, weather conditions can change. We recommend that you check the Mackinaw City forecast closer to your planned date for the most up-to-date weather information.
Change Month
Mackinaw City in September - FAQ
What are the expected maximum and minimum temperatures in Mackinaw City during September?
Enjoy moderate daytime temperatures of up to 16° and cooler nights around 14°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in Mackinaw City during September?
Significant rainfall exceeding 168.1 mm is expected in Mackinaw City during September, occurring over more than 7 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in Mackinaw City during September?
The average wind speed in Mackinaw City during September is 19 km/h, suggesting breezy to windy conditions, depending on your activities.
September rainfall patterns in Mackinaw City
Explore the daily rainfall trends and prepare for Mackinaw Citys September weather 💧
Typically, Mackinaw City has 7 rainy days in September with a total of 168.1 mm of rainfall.
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Where is Mackinaw City?Get accurate weather forecasts for Mackinaw City, located at latitude 45.778 and longitude -84.73. Stay updated with localized weather information tailored for Mackinaw City.
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