Is September the autumn moon in the lunar calendar?

Accurately speaking, China people don't talk about the autumn moon. July, August and September of the lunar calendar are all autumn, but there are many other sayings about September:

Such as Gathering the Moon, Frost Descending, Sanqiu, Evening Business, Qiu Ji, Rotten Moon, etc. September is the season of autumn harvest, so it is also called Gu Yue. Xia Yue refers to June, July and August, which are the hottest seasons in the northern hemisphere. China likes to take the long summer as long summer, and the meteorological summer will be postponed to 25 days after the long summer. So there is no moon in September, and it is not Xia Yue.

September is usually called:

Late Autumn, Late Autumn, Poor Autumn, Cool Autumn, Frost Merchants, Xu Shang, Juyue, Qiu Ji, Late Autumn, Diqiu, Sanqiu, Dusk Merchants, Frost Xu, Decadent Moon, Xuan Yue, Qingnv Moon and Sanmengqiu.

Late autumn, late autumn, poor autumn, cool autumn, frost merchants and business order: folks call September late autumn, late autumn, poor autumn, cool autumn, frost merchants and business order according to solar terms, farming season and flowering period respectively.

Chrysanthemum moon: September chrysanthemum proud autumn cream, also known as chrysanthemum moon. In September of the lunar calendar, thousands of trees are bleak and deciduous, and the unique graceful and moist chrysanthemums give people vitality and warmth. "Chrysanthemum Moon" is regarded as synonymous with September by the world.