Isn't it hot in early autumn? )

No, the ancients thought that beginning of autumn was the beginning of autumn, but according to the seasonal division standard of modern climatology, beginning of autumn was not the beginning of autumn, and beginning of autumn was only when the daily average temperature dropped below 22℃ in the second half of the year. After beginning of autumn, there is a summer solar term, and only after the summer solar term will summer come out. And every year, the dog days end on the third day after beginning of autumn, especially in the south of China, and it is still summer after beginning of autumn, because the typhoon rainy season has passed and it will be hotter.

On August 7th or 8th every year, when the sun reaches longitude 135 degrees, it is beginning of autumn. "Twenty-four solar terms": "July Festival, set a word to solve spring. Autumn is also awkward, and this is the thing. " Beginning of autumn generally indicates that hot summer is coming and autumn is coming.

The15th day after beginning of autumn is a summer solar term, which means to stop the summer heat. Generally, the temperature will gradually decrease at this time. If you encounter autumn tiger weather, you will have to wait until the Millennium solar term, which is 30 days away from beginning of autumn. This is a solar term with reduced temperature. At this time, there will be basically no continuous high temperature weather.

Beginning of autumn has arrived, but not in autumn. The weather is usually still very hot at this time. After beginning of autumn, there are still "crouching" and "autumn tigers" still exist. The division of climatic seasons should be based on the "average climate temperature", that is, the local average temperature is below 22℃ for five consecutive days, which is the real autumn.

China is a vast country. Although the climate varies from place to place, most areas have not yet entered the autumn climate, and the last days of dog days are still the third day after beginning of autumn. Especially in the south of China, this solar term is still a hot summer. At the same time, because the typhoon and rainy season are about to pass and the temperature is even hotter, TCM calls the period from beginning of autumn to the autumnal equinox "long summer".

The earliest areas are in Qiu Lai, Heilongjiang and northern Xinjiang, and will also fall in mid-August. In general, the autumn wind in the capital Beijing will be cooler in early September, and the autumn around Qinhuai begins in mid-September. The autumn wind will blow to Lishui, Zhejiang, Nanchang, Jiangxi and Hengyang, Hunan 165438+ 10 in early June, and the news of autumn will reach Leizhou Peninsula, and the footsteps of autumn will reach the "ends of the earth".