Why is it so hot this autumn?

Because beginning of autumn is late this year. Officially entered the beginning of the autumn solar term, which is the first solar term in autumn. "It means that hot summer is coming, autumn is coming, autumn is crisp, autumn is crisp and wild. There is a saying, "In early autumn, it is freezing; It's very hot in late autumn. Most of the time in beginning of autumn is between August 7th and 9th, and this year falls on August 7th. The specific time is June 26, 2 1: 30 of the lunar calendar. ?

Autumn:

Autumn means "spring, summer, autumn and winter". 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 humidity 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.