September weather in the history of nanxun town.

In my opinion, you should consult ancient books to know, or you should know that geography, geography and weather are all related there. Nanxun Town is a typical water plain in the south of the Yangtze River, with low terrain and an average elevation below 5 meters. There are many rivers in this area. The terrain is flat, with only a few hills below 100 meters above sea level. It belongs to the northern subtropical monsoon climate zone, with moderate humidity, four distinct seasons and the same period of rain and heat. The annual average temperature is between 15.5 ~ C ~ 16 ~ C, and the lowest temperature is 65438+ 10 month, with an average of 2.8 ~ C ~ 3.8℃. It is the highest in July, with an average of 28 ~ C ~ 28.3 ~ C The annual average rainy days are 142 ~ 155 days, the average precipitation is about 1050- 1850 mm, the average humidity is about 78%, and the annual average wind speed is about 3.2 m/s. The sunshine is 45% all year round and the climate is mild. So you can imagine the weather in September in history.