The highest weather in Tianjin is 26 and the lowest is 17. What clothes should I wear?

Cotton and linen fabric clothing. The average temperature in Tianjin in September is 17℃ to 26℃, and it is 26℃ in daytime. It is recommended to wear cool and breathable clothes, such as shirts, thin long skirts and thin T-shirts made of cotton and linen, with an average of 17℃ at night. It is recommended to wear warm clothes such as suits, jackets, windbreakers, casual clothes, suits and thin sweaters. It is suggested that September in Tianjin is a dry season with little precipitation.