It takes shorter daylight hours and cooler temperatures for the leaves to change. Temperatures for the first week of October look to be warmer than average.
Hard to believe we're not that far away from the season when the colors will start to change signaling the arrival of Fall. If you're a fan of watching leaves performing this annual ritual, you need to drive down the Mississippi River a ways to an Illinois state park that was named one of the best places in America to see the changing of the seasons.