Will it be cool in early autumn?

It was cool about 15-20 days after beginning of autumn.

After beginning of autumn, the hot weather may not subside until the summer heat or the Millennium. After beginning of autumn,15th day is the summer solar term, which means the end of high temperature in summer. Generally, the temperature will gradually decrease at this time. If you encounter autumn tiger weather, you have to wait until the Millennium solar term, that is, the temperature drops. At this time, there will be basically no continuous high temperature weather.

Beginning of autumn doesn't mean the end of hot weather, and there is a summer solar term after beginning of autumn. Beginning of autumn is still in midsummer, but it hasn't come out yet. The second solar term came out in autumn, and it was still very hot in early autumn. As the saying goes, "heat is in the dog days". According to the calculation method of "dog days", beginning of autumn is still in the dog days from summer to summer, which involves four solar terms: summer, beginning of autumn and long summer.

Meteorological changes in early autumn

Autumn means rainfall, humidity, etc. It is at the turning point of the year and tends to decline or decrease. Seasonal changes, rainfall, dry and wet changes in southern China are obvious; In the north, the obvious change is the temperature. After entering autumn, in nature, the qi of Yin and Yang began to change, everything began to grow from lush to bleak, and the climate began to transition from rainy and humid in summer to dry and rainy in autumn.

The watershed between summer heat and summer heat is not in the beginning of autumn solar term, but the real coolness usually comes after the Millennium solar term. After beginning of autumn, there is the Autumn Tiger. "Autumn Tiger" mostly occurs from late August to September in the Gregorian calendar every year. This period is usually about half a month after the annual summer heat, and sometimes it lasts for one or two months.

The above contents refer to Baidu Encyclopedia-beginning of autumn.