By Felicia Farnsworth
The September equinox, also known as the autumnal equinox in the Northern Hemisphere, marks a moment of celestial significance. It signals the beginning of fall, ushering in cooler weather, changing leaves, and shorter days. But what is the connection between the fall season and the September equinox? And why do these two events occur at the same time each year? Understanding the relationship between them involves exploring the science of Earth's movements and the changes they bring to our seasons.