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.
Meteorological spring is considered to be March, April and May. 1  The other meteorological seasons consist of three consecutive months: 2  Meteorological winter is December, January, February. 3  Meteorological summer is June, July, August. 4  Meteorological fall is September, October, November.