25-30 degrees or so.
The Millennium indicates that the weather is getting cold. During the Millennium solar term, when the sun revolves to the position of longitude 165, the sunshine begins to decrease and the ultraviolet intensity decreases. Under the influence of cold air, the temperature dropped rapidly at night, and the gap between the highest temperature and the lowest temperature gradually widened, and obvious temperature difference between day and night began to appear. So in most areas, the temperature may still be more than 30 degrees during the day, but at night, the temperature drops to about 20 degrees, day and night.
Of course, the specific temperature still depends on the specific area.
Large cooling range: the biggest feature of the Millennium solar terms climate is the large cooling range. The summer monsoon is gradually replaced by the winter monsoon, and the cold air goes south in batches, which brings a certain range of cooling, and the human body will feel more obvious.
Rainfall in the south increased: in the Bailu, the precipitation in the north decreased obviously and was relatively dry; However, the rainfall in the middle and lower reaches of the Yangtze River has obviously increased, and sometimes it will form heavy rain or continuous low-temperature rain, which has a certain impact on autumn crops.
Notes on "Autumn Freezing" in Millennium:
There is an old saying in China, "Dressing in disorder in February and August", which means that in February and August of the lunar calendar, people's clothes and dressing are prone to "disorderly collocation", while in the solar calendar, these two periods are also the time when winter and spring change seasons and summer and autumn change seasons.
Among the "disorderly wearing" ethnic groups, some follow the body feeling, while others advocate "covering spring and freezing autumn". The latter emphasizes that people's physique will become stronger and stronger after experiencing "autumn freezing", but the expert's view is that "freezing in spring and autumn" will vary from person to person. Autumn freezing is to improve people's tolerance to the gradually cold environment, but if the individual's physique is weak, it is best not to freeze. The so-called "freezing in spring and freezing in autumn" means that through appropriate "freezing in autumn", the human body can slowly adapt to the gradually decreasing temperature and prepare for the coming winter. Just like subtle exercise, "autumn freezing" can improve people's physique invisibly. On the other hand, in the theory of traditional Chinese medicine, autumn is the season of nourishing yin. Wearing too much will encourage yang, which is not good for your health.
Autumn is also a period of high incidence of cardiovascular and cerebrovascular diseases. For middle-aged and elderly people with this medical history, cold protection is particularly important. Experts said that it would be very dangerous for this group of people to try to "cover the spring and freeze the autumn". For example, although wearing slippers is fashionable and comfortable, the rhythm of peripheral circulation is disrupted, which is easy to cause symptoms such as elevated blood pressure. People with large temperature fluctuations and weak constitution should pay special attention to protecting the three key parts: head, hands and feet.
It is worth mentioning that even healthy people have the conditions to "cover the spring and freeze the autumn". In general, when the sunshine temperature is 15℃-20℃, people can reduce their clothes appropriately, but this principle is no longer applicable when it is really close to early winter. It is definitely not advisable to blindly "freeze in autumn".