Black oxide is a finish applied to iron and steel. There is also a ' black oxide' process applied to the copper inner layers of printed circuit boards, but that is another topic.
Since Fall begins at the end of September (usually September 22nd) and ends at the end of December (usually December 21st), it seems much more logical to say that October through December are considered Fall months instead of September through November. Views.
This year, the first day of fall will be on September 22, 2014. The Autumn Equinox, when the sun crosses the equator to move from the northern hemisphere to the southern hemisphere, is often considered to be the first day of fall.