It is reported that the temperature of Beijing is around 20C on Oct 10. The weather will be colder day by day to the end of Oct that the temperature will be around 12~13C at daytime. But, less rainfall will be happend.

Nanjing is much warmer than Beijing that the average temperature is about 20C in Oct. Railfall is reported somedays.

Guangzhou has the warmest days which will be about 25~30C at daytime. But be aware of successive railfall during this period.