What month is it usually cold in Dongguan?

September 10. After the Mid-Autumn Festival and National Day in Dongguan, the weather began to cool down slowly, and it will start to cool down in late autumn. When the first frost comes, you should wear long-sleeved shirts every day. Dongguan is a well-known prefecture-level city in Guangdong, one of the central cities in the Pearl River Delta and one of the few cities in China. Although it is only a county in history, its popularity is second only to Guangdong, and it has a long history in Guangdong and Guangxi.