What is the weather like in mid October in Shanghai,Beiing and Hong Kong?

Hello, will you go to these cities in mid October next year? According to the weather statistics this year, the temperature may range from 15C to 20C, 9C to 18C, 20C to 25C respectively at Shanghai, Beijing and HK. About the clothes, you are advised to bring jackets, thin sweaters, long sleeves, jeans and pants. Have a nice journey!