Is it normal to thunder after beginning of autumn?

It's normal to thunder after beginning of autumn. When it rains, some clouds in the sky are positive and some are negative. When two kinds of clouds meet, they will emit lightning and a lot of heat, which will make the surrounding air heat and expand. It is easy to collide and produce lightning. Beginning of autumn is one of the 24 solar terms and the beginning of autumn. The bucket refers to the southwest, and the sun reaches the longitude of 135, and it is celebrated on August 7 or 8 of the Gregorian calendar every year. "Reason" means the beginning; "Autumn" means that the grain is ripe.