What should I wear when traveling to Sydney, Australia in winter?

The average temperature in Sydney in winter is 18~25℃. The average daytime temperature is 25°C. It is recommended to wear cool and breathable clothes such as cotton and linen shirts, thin long skirts, and thin T-shirts. The average temperature at night is 18°C. It is recommended to wear comfortable clothes such as short suits, T-shirts, thin jeans, casual clothes, and professional suits made of single-layer cotton and linen fabrics. The cities with the highest average daily temperatures in Sydney in winter are Adelaide (15℃), Albany (16℃), Albury (13℃), and Alice Springs (20℃). The cities with the lowest daily average temperatures in Sydney in winter are Adelaide (17℃), Albany (14℃), Albury (16℃), and Alice Springs (22℃).