The reason why there is more precipitation in autumn in Nanping than in Xiamen.

The reasons why autumn precipitation in Nanping is more than that in Xiamen are as follows:

1. Location: Nanping is located in the middle of Fujian, and the northwest of Fujian is near Jiangxi and Zhejiang. It is located in the periphery of the south of the Yangtze River and is influenced by the southern monsoon and the east Asian monsoon, with abundant precipitation.

2. Terrain: Nanping has a complex terrain, most of which is located in mountainous or hilly areas. The low temperature and high humidity in mountainous areas have formed a good precipitation environment.

3. Climate: Nanping belongs to subtropical humid climate, with changeable weather and high relative humidity in autumn, which is easy to form rainfall.