Harvest Moon in September or October?
The Harvest Moon varies between September or October in the Northern Hemisphere. It is the Full Moon nearest the autumnal (fall) equinox.
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September: Harvest or Corn Moon
The September Full Moon is usually the Harvest Moon, but this depends on the equinox. It is also called Full Corn Moon or Barley Moon.
American Indian Heritage Day
American Indian Heritage Day is often observed on the Friday after Thanksgiving Day in the United States.
Native American Day
Native Americans' Day, on the second Monday of October, is celebrated some parts of the United States in lieu of Columbus Day.