How chill is Shanghai after the start of autumn?

Come to Shanghai and encounter the exclusive August romantic sea of flowers. After the start of autumn, the heat in Shanghai gradually fades, and the breeze carries a hint of coolness, making it the perfect time for travel. In August, Shanghai is in full bloom. At Jiading Crape Myrtle Garden, over 4,000 square meters are filled with crape myrtles, with 20 varieties weaving a pink and purple dreamscape, and the blooming period can last until October. The sunflowers at Huangpu Nanyuan Riverside Green Space and Putuo Taopu Central Green Space bloom freely, creating a golden and brilliant healing scenery.