They start to change in September and continue through October.
Beginning of october
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
In the Fall or Autumn
Leaves on deciduous trees change colour in the Autumn prior to dropping.
In spring
October
No maple trees I think you mean change colors by seasons
The leaves would change colors and fall off if the tree is a deciduous tree
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.
The school colors of the University of Vermont's (UVM) are green and gold.
Vermont has spectacular views especially in fall when the leaves change color.http://www.visit-vermont.com/state/scenic-drives/
The colors of the leaves of deciduous trees change, then drop.