What | Month Is Fall In //top\\

As days shorten, deciduous trees stop producing chlorophyll, revealing the vibrant reds, oranges, and yellows of the leaves. This "peak foliage" usually happens in October for much of the Northern Hemisphere.

The months of autumn are defined by specific environmental and cultural milestones: what month is fall in

While we generally associate fall with the arrival of September, scientists and weather experts define the start of the season in two distinct ways. 1. Astronomical Fall (The Equinox) As days shorten, deciduous trees stop producing chlorophyll,

So the answer depends on your hemisphere: On this day, day and night are roughly equal in length

Astronomical fall is based on the Earth’s position relative to the sun. It begins on the , the moment the sun crosses the celestial equator. On this day, day and night are roughly equal in length. Northern Hemisphere Start: September 22 or 23.

Meteorologists and climatologists use a different system. To make record-keeping easier, they divide the year into four three-month periods based on the temperature cycle. September 1st to November 30th. Southern Hemisphere: March 1st to May 31st.

December 21 or 22 (the Winter Solstice). Southern Hemisphere Start: March 20 or 21.