When Do Fall Leaves Start to Change Colors?

The emergence of fall leaves is one of nature’s most magical wonders. It marks the transition from the warmth of summer to the crispness of autumn. Every year, people flock to forests, parks, byways, and highways to take in the grandeur of the vibrant reds, oranges, and yellows that transform the world into a magnificent painting. 

Summer Breeze to Fall Leaves

When do leaves start to fall? The fall season kicks off around September 22nd or 23rd in the Northern Hemisphere. While that’s usually prime viewing time to enjoy the vibrancy of fall leaves colors, a number of factors come into play, including the geographical location, climate conditions, and the specific types of trees in the area. 

Why Do Leaves Change Color in the Fall?

Before we take a deeper dive into the science behind the timing, let’s explore why leaves change colors at all. The process is primarily driven by a reduction in daylight and lowering temperatures.