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.
Hoshana Rabbah
Jewish people in the UK celebrate Hoshana Rabbah, also spelled Hoshana Raba, on the last day of the Sukkot festival.
Shemini Atzeret
Shemini Atzeret, also spelled Shmini Atzeret, is a joyous Jewish holiday that immediately follows the Sukkot festival.