This is the traditional, calendar-based definition most people learn in school. It is tied to the Earth’s 23.5-degree tilt and its orbit around the sun. Fall begins with the —the precise moment when the sun crosses the celestial equator, heading south. On this day, day and night are nearly equal in length (approximately 12 hours each).
The season of fall typically begins on according to meteorologists or around September 22 according to astronomers in the Northern Hemisphere . These two distinct methods of tracking the year ensure that whether you are planning for the harvest or checking the weather forecast, you have a consistent way to define when the seasons change. Fall 2026 Key Dates when is the season of fall
While most people look for the first colorful leaves to signal the season, experts use two specific systems to pin down an exact date. On this day, day and night are nearly
As the Earth tilts away from the sun, the rays hit at a lower angle, providing less warmth. Fall 2026 Key Dates While most people look
Fall has transformed from a mere harvest season into a global lifestyle. On platforms like Pinterest, searches for "fall movie night" and "cozy home decor" spike as early as August. It’s a season defined by:
Each season is exactly three months long. Fall always consists of September, October, and November.