The Brown County State Park naturalist says he expects the peak to be in late October, but people are already flocking to the area to see the color change.
Indiana's unemployment rate decreased to 8.2 percent, but the private sector also lost 6,000 jobs.
The state collected $23 million more than anticipated last month, nearly 2 percent ahead of projections.
Indiana added 8,800 private sector jobs in September but the unemployment rate rose.
The state collected $67 million more than predicted for the first quarter of the fiscal year.