They start to change in September and continue through October.
The phrase "colors change on the leaves in the fall" contains a subject ("colors"), a verb ("change"), a prepositional phrase ("on the leaves"), and a prepositional phrase ("in the fall"), making it a complete sentence.
It is amazing to watch nature change seasons, so many different colors appear in each season. Leaves change colors in fall because many of the leaves are dying.
no
Leaves on deciduous trees change colour in the Autumn prior to dropping.
October
In spring
No maple trees I think you mean change colors by seasons
Vermont has spectacular views especially in fall when the leaves change color.http://www.visit-vermont.com/state/scenic-drives/
The school colors of the University of Vermont's (UVM) are green and gold.
Brown gold yellow orange
PAKISTAN
The colors of the leaves of deciduous trees change, then drop.