Why is it so hot in early autumn?

On August 7th, beginning of autumn officially entered the solar term, which is the first solar term in autumn. "Autumn, struggle, things struggle here" means that hot summer is coming, autumn is coming, autumn is crisp, autumn is crisp and wild. /QA/2020/05/26/1159046321344232 There is a saying that "early autumn is chilly; 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 2 1: 30 on June 26th of the lunar calendar. Looking at the specific time in beginning of autumn on the calendar, "early" refers to the time period of 0: 00-12: 00, and "late" refers to the time period of 12: 00 -24: 00. This year coincides with 2 1: 30 pm, which should belong to "Late beginning of autumn"! /QA/2020/05/26/11590463214300654 Historically, the average temperature in Hang Cheng during the solar term in beginning of autumn is still above 28 degrees, which is still one of the hottest periods in a year, second only to midsummer and summer heat. The real autumn in Hang Cheng generally lasts until the end of September. After the solar terms of the autumnal equinox, there are about three solar terms different from those in beginning of autumn. This sunny, hot and high temperature is related to the location of the Taiping subtropical high in the west. In the coming week, the subtropical high center will be located in the area from Shandong to Jiangsu, and Hangzhou is located near its center. The temperature is high, the system has poor afternoon thunderstorm conditions, and the local thunderstorm conditions are good in the thermal afternoon. Everyone should pay attention to prevention.