Via the more demandingly-named "11 Things You Absolutely Must Do In Detroit This Fall".

SEPT 6
Sat
Dally in the Alley [Fun and Done]
It’s time to get rowdy in Midtown as Dally in the Alley rolls around again. You can check out the music lineup here, but who cares who’s playing as long as it’s loud and you’re drinking?
Between Forest and Hancock, 2nd Ave and Anthony Wayne

SEPT 19
Fri
Detroit Restaurant Week [[Sept 19-28)
It’s back. A week’s worth of excuses to eat and drink your way through some of the best stuff the city has to offer. Participating restaurants aren’t locked in just yet, but keep an eye out because they’re going to pop up quick.
Restaurants all over Detroit

SEPT 20
Sat
Drink Detroit: Oktoberfest Edition
You can celebrate Oktoberfest with the Detroit Experience Factory as they lead a special drinking tour to Detroit Beer Company, Grand Trunk Pub, andJacoby’s German Biergarten, where you can fill up on beer, sausage, and more beer.
Tour begins at Detroit Beer Company

OCT 1
Wed
Get some cider, pumpkins, and apples! [[All fall long)
No fall would be complete without a trip to a cider mill/apple orchard/pumpkin patch [[mmm... cider donuts). You can find a great summary of spots to check out here, but chances are you already have a favorite in Franklin, Dexter, Blake’s, or whichever one is closest to you.
All over Detroit

OCT 2
Thurs
Dine Drink Detroit [[Oct 2-11)
Beer, burgers, wine, Spanish tapas, ramen... these are just a few of the things to enjoy during Dine Drink Detroit -- a celebration of Detroit’s budding restaurant culture and the tasty things that it produces. All week long, each participating restaurant is offering up one specialty item for $15.

OCT 6
Mon
Savor Detroit [[Oct 6-10)
Five nights. 10 chefs. One delicious experience. Those are the basics of Savor Detroit, but you should know a bit more about the 10 chefs... like how they include the top guys from The Root, Local, Forest Grill, Slurping Turtle, and a few other area hot spots. Tickets go fast, so act faster!
Great Lakes Culinary Center

OCT 10
Fri
Redford Theatre screenings [[All October long)
The Redford Theatre has good Halloween fun all October long, from the Three Stooges Film Festival Oct 10-11, to a showing of the originalPhantom of the Opera with live music Oct 17-18. There will also be a special tribute to beloved vampire Sir Graves Ghastly, along with a showing of theWolf Man Oct 24-25.
Redford Theatre

OCT 15
Wed
Fall color tours [[Mid-late October)
Every fall, you have to set aside some time to stare at some leaves. It’s just what you do. You can check out plenty of fall color tours here, including metro Detroit-area highlights like Kensington Metropark, Stony Creek Metropark, and of course, Belle Isle.
Multiple locations in and around Detroit

OCT 17
Fri
Theatre Bizarre [[Oct 17-18)
There’re just too many haunted houses, parties, and Halloween thrills in the Detroit area to include on a list like this, but if we’re going to choose one Halloween highlight, it’s Theatre Bizarre. The annual masquerade party is a Detroit staple, and if you haven’t been yet, make this the year.
The Masonic Temple Detroit

OCT 24
Fri
Detroit Fall Beer Festival [[Oct 24-25)
Fall is a glorious time for beer in the mitten, and the annual Detroit Fall Beer Festival is a major highlight. This year boasts over 450 craft beers from 60 Michigan breweries, and aside from the booze, Eastern Market will also be teeming with plenty of local eats and music.
Eastern Market

NOV 27
Thurs
Thanksgiving Day Parade
It’s a Detroit tradition that marks the end of fall and the onset of winter. This year, the grand marshals of the parade will be Olympians Meryl Davis and Charlie White. And don’t forget the Turkey Trot, which includes an after-race party this year in the Cobo Atrium.