What does it mean to spend summer in autumn?

Summer is a solar term belonging to autumn, which means that autumn is about to enter meteorological significance. When the sun reaches longitude 150, it is the heat of the 24 solar terms of the lunar calendar. Summer is a solar term reflecting the temperature change. ?

It is the fourteenth of the twenty-four solar terms. Dou Zhiwu (Southwest); The solar calendar is150; Every year in August of the Gregorian calendar, summer solar terms are in the period of short-term reheating weather (autumn tiger), and "autumn tiger" generally occurs between August and September of the Gregorian calendar.