Mackinaw City

Michigan Weather in September

Average temperatures, rainfall, sunshine and the best places to visit in Michigan, the United States of America in September.

🔎
Mackinaw City Detroit Benton Harbor South Haven

Thinking about venturing to Michigan, the United States of America this September and curious about the weather conditions to expect? This page holds all the key information you seek, responding to your question:

What to Expect in Michigan in September

Michigan, the United States of America is a region in the United States of America. September in Michigan generally has temperatures that range from pleasant to warm, with precipitation levels ranging from moderate to high.

Temperatures

The average highest temperatures fluctuate between pleasant in Ironwood at 20°C (68°F) to warm in Dearborn at 24°C (75°F). Nighttime temperatures generally drop to 13°C (55°F) in Dearborn and 8°C (46°F) in Ironwood.

For a closer look at conditions across Michigan, the United States of America, refer to the map below.

Precipitation

In September, precipitation varies across different areas. From moderate rainfall in Birch Run with an average of 66 mm (2.6 in) to high rainfall in Bellaire with 114 mm (4.5 in).

Explore Michigan by month

Pick a month to see the average temperature, rainfall and sunshine in Michigan — and find the best time to visit. (based on Mackinaw City)

January-3°C (27°F) February-3°C (27°F) March3°C (37°F) April9°C (48°F) May16°C (61°F) June21°C (70°F) This monthJuly24°C (75°F) August24°C (75°F) September20°C (68°F) October13°C (55°F) November6°C (43°F) December0°C (32°F)
Best Time to Visit Michigan →

Best Places to Visit in Michigan in September

Click on a destination dot for more details. Toggle the map to compare temperatures or precipitation across Michigan.

Conditions Temperatures Precipitation
perfect weather
pleasant
tolerable
unpleasant
poor

Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).

Popular Destinations in Michigan

What is the weather like in September for some of the most popular destinations in Michigan, the United States of America?

Temperature range in Michigan (September)

Precipitation variation in Michigan (September)

Mackinaw City

In September Mackinaw City generally has pleasant temperatures with maximum daytime temperatures around 20°C (68°F), minimum nighttime temperatures around 10°C (50°F) and high monthly rainfall. So on average the conditions are pleasant that month.

« August
September
October »
August
September
October
Max temperature
24°C (75°F)
20°C (68°F)
13°C (55°F)
Min temperature
14°C (57°F)
10°C (50°F)
4°C (39°F)
Monthly rainfall
83 mm (3.3 in)
106 mm (4.2 in)
121 mm (4.8 in)
Monthly rainy days
12 days
13 days
17 days
Weather conditions
perfect
pleasant
poor
Climate in Mackinaw City →

Detroit

In September Detroit generally has high temperatures with maximum daytime temperatures around 24°C (75°F), minimum nighttime temperatures around 14°C (57°F) and moderate monthly rainfall. So on average the conditions are perfect that month.

« August
September
October »
August
September
October
Max temperature
28°C (82°F)
24°C (75°F)
17°C (63°F)
Min temperature
18°C (64°F)
14°C (57°F)
7°C (45°F)
Monthly sun hours
286 hours
232 hours
177 hours
Monthly rainfall
104 mm (4.1 in)
96 mm (3.8 in)
67 mm (2.6 in)
Monthly rainy days
12 days
11 days
14 days
Weather conditions
pleasant
perfect
tolerable
Climate in Detroit →

Benton Harbor

In September Benton Harbor generally has high temperatures with maximum daytime temperatures around 24°C (75°F), minimum nighttime temperatures around 13°C (55°F) and moderate monthly rainfall. So on average the conditions are perfect that month.

« August
September
October »
August
September
October
Max temperature
27°C (81°F)
24°C (75°F)
17°C (63°F)
Min temperature
17°C (63°F)
13°C (55°F)
7°C (45°F)
Monthly sun hours
298 hours
245 hours
215 hours
Monthly rainfall
126 mm (5 in)
87 mm (3.4 in)
120 mm (4.7 in)
Monthly rainy days
11 days
10 days
15 days
Weather conditions
pleasant
perfect
unpleasant
Climate in Benton Harbor →

South Haven

In September South Haven generally has high temperatures with maximum daytime temperatures around 23°C (73°F), minimum nighttime temperatures around 13°C (55°F) and moderate monthly rainfall. So on average the conditions are perfect that month.

« August
September
October »
August
September
October
Max temperature
26°C (79°F)
23°C (73°F)
16°C (61°F)
Min temperature
17°C (63°F)
13°C (55°F)
7°C (45°F)
Monthly sun hours
298 hours
245 hours
215 hours
Monthly rainfall
114 mm (4.5 in)
87 mm (3.4 in)
109 mm (4.3 in)
Monthly rainy days
11 days
10 days
14 days
Weather conditions
pleasant
perfect
unpleasant
Climate in South Haven →

Stevensville

In September Stevensville generally has high temperatures with maximum daytime temperatures around 24°C (75°F), minimum nighttime temperatures around 13°C (55°F) and moderate monthly rainfall. So on average the conditions are perfect that month.

« August
September
October »
August
September
October
Max temperature
27°C (81°F)
24°C (75°F)
16°C (61°F)
Min temperature
17°C (63°F)
13°C (55°F)
7°C (45°F)
Monthly sun hours
298 hours
245 hours
215 hours
Monthly rainfall
114 mm (4.5 in)
80 mm (3.1 in)
108 mm (4.3 in)
Monthly rainy days
11 days
11 days
15 days
Weather conditions
pleasant
perfect
unpleasant
Climate in Stevensville →

Is your destination not in the list? Have a look at all destinations in Michigan, in the United States of America.

Popular cities in September

Day & night temperatures, rainfall and average weather in Michigan in September.

City Weather Day temp Night temp Rainfall
Mackinaw City 20°C (68°F) 10°C (50°F) 106 mm (4.2 in)
Detroit 24°C (75°F) 14°C (57°F) 96 mm (3.8 in)
Benton Harbor 24°C (75°F) 13°C (55°F) 87 mm (3.4 in)
South Haven 23°C (73°F) 13°C (55°F) 87 mm (3.4 in)
Stevensville 24°C (75°F) 13°C (55°F) 80 mm (3.1 in)
New Buffalo 23°C (73°F) 13°C (55°F) 98 mm (3.9 in)

Michigan weather in September: frequently asked questions

What is the weather like in Michigan, the United States of America in September?

In September, Michigan, the United States of America generally has pleasant weather conditions. Mackinaw City sees daytime temperatures near 20°C (68°F), with nights cooling to roughly 10°C (50°F).

What is the average temperature in Michigan, the United States of America in September?

In Mackinaw City, the average daytime high in September is 20°C (68°F), while nighttime temperatures drop to around 10°C (50°F).

Does Michigan, the United States of America get a lot of rain in September?

Michigan, the United States of America sees substantial rainfall in September. Mackinaw City typically averages about 106 mm (4.2 in), a mix of wet and dry days, but bring an umbrella.

Is September a Good Time to Visit Michigan, the United States of America?

Given the typically pleasant weather conditions in Mackinaw City, September might be a good time to visit Michigan, the United States of America.

Generally speaking, the best visiting conditions can be found in June, July and August offering mostly perfect weather in Mackinaw City. In contrast, January, February, March, April, October, November and December tend to have poor weather conditions.

Interested in more climate information?

We have much more information about the climate in Michigan.

Weather and climate has detailed information for every country in the world. Are you going to the United States of America? Get detailed historical weather averages for many cities in the United States of America.

Not sure yet where to go? We now have a tool which recommends destinations that suit your ideal travel conditions. Find out where to go with our weather planner.

Bucket list

Need travel inspiration? Check out our bucket list articles and be inspired.

Yosemite National Park is definitely worth a visit

Vast forests, blue lakes, towering sequoias, and majestic waterfalls hint at the beauty of Yosemite National Park—a true natural masterpiece.
The 10 most alternative cities in the United States

Discover the top 10 fun and alternative U.S. cities rich in art, culture, and adventure. From Portland's hippy charm to Sedona's stunning landscapes.
Sedona: Explore Majestic Red Rock Landscapes

A picturesque artists' town surrounded by red rocks and known for its spirituality, vortex energy, and stunning hikes like Cathedral Rock.
10 most idyllic villages to visit in the United States

Discover 10 idyllic villages in the USA, from California to Vermont. Explore their unique charm, rich history, stunning nature, and vibrant arts scenes.
Must visit in the United States of America →