The autumn season is from July through September in the lunar calender.
The full moon on the 15th night of August (Chushu) in the lunar calendar (In 2015, August 15th on the   lunar calendar is September 27th on the current calender) is said to be the most beautiful in the year, and called Jugoya (15th night – harvest moon).
People cherish viewing Jugoya, which is called Tsukimi (Full moon viewing).

陰暦では秋は七月から九月とされ、

中秋になる八月十五日（2015年旧暦の8月15日は新暦の9月27日）が

一年で最も月が美しいとされる名月（十五夜）と言われます。