It is recommended to bring autumn clothes, autumn trousers, jeans, thick cotton trousers, sweaters for early autumn in the north, plain cotton-padded clothes and umbrellas.
One more thing: Zhongshan people's dress taste is similar to that of Hong Kong, mainly for leisure, and less suits or too formal clothes, otherwise it will look out of place.
Others can be bought in Zhongshan, and the consumption is moderate. Besides taking the bus, the bus fare in Zhongshan is the most expensive in the country (it is ok in the city)!