Is September a full moon or a full moon?

Of the 24 solar terms, September corresponds to cold dew, not the first frost. The full moon corresponds to the Gregorian calendar from mid-September to mid-October, while the unitary month corresponds to the Gregorian calendar from mid-August to mid-September. Therefore, the September of the lunar calendar belongs to the full moon, not the unitary moon. The twenty-four solar terms are beginning of spring, Rain, Surprise, Equinox, Qingming, Grain Rain, Long Summer, Xiaoman, Mangzhong, Summer Solstice, Slight Summer, beginning of autumn, Early Summer, Millennium, Equinox, Cold Dew, Early Frost, beginning of winter, Light Snow, Heavy Snow, Winter Solstice, Slight Cold and Severe Cold. Some of these solar terms reflect seasonal changes.