Google, you love the festivals, dontcha? Here's a list of September festivals in the Central Illinois counties I generally cover. This information largely comes from the 2007 Central Illinois Visitors Guide put out by the Tourism Development Office in Springfield.
Today you can still make it to:
Atlanta Fall Festival. Just off I-55 you'll find a carnival, auction, petting zoo, a car show, and craft vendors.
37th
Annual Broom Corn Festival in downtown Arcola. It features broom making demonstrations, art, crafts, street and food vendors, 5 & 10 K walk, carnival.
Taste of Country Fair and Festival. Off I-55 north of Bloomington-Normal in Lexington. Features a juried fine art show, antiques, crafts, and live entertainment.
Annual
Juried Fine Art & Craft Fair at Washington Park in Springfield. Artists from all over the Midwest sell art. Plus a carillon performance!
Sept 14-16
Abraham Lincoln Railsplitting Festival: Logan County Fairgrounds, Lincoln.
Sept 14-16
Arts in Central Park: Downtown Decatur. Juried arts festival. This is a great one!
Sept 14-16
NBRA Short Course Nationals: Bethany at the Wilborn Creek Recreation Area. Hydroplane boat races.
Sept 14-16 Tower Hill Fall Festival: Tower Hill Park. Car show, tractor pull, produce parade.
Sept 15
Prairie Stories: Lake of the Wood Forest Preserve, Mahomet. Families can engage in work from an earlier time.
Sept 15-16 Railroad Days:
Monticello Railway Museum. Train rides! Train rides! Train rides! Awesome event for railroad lovers.
Sept 15-16 Edwards Place Fine Art Fair: Springfield. 100 artisians sell crafts on the grounds of the Edwards Place.
Sept 15-16
Balloon Fest: Eagle Creek State Park, Findlay. Hot air balloon festival and dock party.
Sept 16
Bob Galloway Memorial Amish Country Bicycle Ride: Arthur countryside. Ride your bike 1 or 100 miles though the Amish farmlands.
Sept 19-22
Pygmalion Music Festival: Champaign Urbana. Huge music festival with something like 70 live bands.
Definitely something to get excited about.
Sept 22
Celebration: Downtown Monticello. Live music, pet parade, children's activities, food, art & craft vendors.
Sept 28-30
International Route 66 Mother Road Festival: Downtown Springfield. Live entertainment, HUGE antique car show.
Sept 29-30
Apple 'N Pork Festival: Clinton. Museum tour, great food, entertainment and crafts.
Sept 29-30
Wine and Cheese Festival: Rockome Gardens, Arcola. Illinois wines, cheese and jazz festival.
Sept 30, Oct 7 & 14
Oconee Fall Festival: Oconee. Hayrides, maze, crafts, pumpkins, and zoo.