How many clothes should I wear to Jiuhua Mountain in the Millennium?

Short sleeves, undercoat and coat. Millennium is one of the twenty-four solar terms, and autumn is the third solar term. At this time, the temperature in Jiuhua Mountain began to drop, and the weather turned cold, but it was not cold. Wearing short sleeves can avoid the shackles of trousers and long sleeves, wearing a bottoming suit can cope with the large temperature difference between morning and evening, and the coat can resist the coolness in the morning and evening. Therefore, wear short sleeves, bottoming clothes and coats in Jiuhua Mountain in the Millennium.