上海历年九月中旬天气情况

The weather in Shanghai in September is generally between 20°C and 28°C, but it may also fluctuate.
Shanghai is located in the eastern coastal area of ​​China and belongs to the subtropical monsoon climate zone. September is the beginning of autumn. The weather in this season is usually mild and pleasant, not as hot as summer, nor as cold as winter. Generally speaking, the average temperature in Shanghai in September is in the range of 20°C to 28°C, but the specific temperature may fluctuate depending on factors such as weather systems and airflow.
During the day, due to the radiation of the sun, the temperature will be relatively high, but generally it will not exceed 30°C. However, temperatures at night can be relatively cool, especially if it is clear and the wind is light, and can drop below 20°C as the surface loses the heat it absorbed during the day. Therefore, in Shanghai in September, the temperature difference between day and night may be a bit large. It is recommended to add or remove clothing appropriately according to personal needs and physical condition.
In addition, Shanghai may be disturbed by rain in September. Due to the influence of the monsoon, there may be showers or thunderstorms during this period, but they usually do not last long and the rainfall is not particularly heavy. Still, it’s a smart idea to check the weather forecast and pre pare rain gear before heading out. Generally speaking, the weather in Shanghai in September is mainly mild, but there are also some changes, and you need to be pre pared according to the actual situation.