When is late autumn?

Late October is called late autumn. In late autumn, the temperature drops sharply, and it is not far from winter, which is the frequent season of influenza. Moreover, in late autumn, most crops have been harvested, and this is a truly desolate world.

In China, traditionally, "beginning of autumn" in the 24 solar terms is taken as the starting point of autumn. Entering autumn means that rainfall and storms tend to decrease or decrease, and everything in nature begins to mature from lush.

According to the average climate temperature of modern scholar Zhang Baokun, there are four seasons in a year. The index is that the average temperature is lower than 10℃ in winter, higher than 22℃ in summer, and 10~22℃ in spring and autumn respectively.