What does the weather mean on March 9?

The weather on March 9 usually describes the cold outdoor temperature in winter.

Sanjiu, often refers to a period of time in winter, as opposed to three volts. In the traditional Chinese calendar in China, winter is divided into nine nine days, and each nine days includes nine consecutive days, which is called "three nine days". Three or nine days generally begin on the ninth day of November and end on the ninth day of December. The weather in this period is usually very cold, with frequent cold waves, which is one of the coldest periods in a year.

As a method to record the cold winter, China folks divide the winter to the next 8 1 day (generally 65438+February 2 1-22) into 9 stages, each of which lasts for 9 days, which is called "Winter Nine Nine Nine", which is often called "Nine Cold". Among them, the solstice from 0/9 to 27 days after beginning of winter every year is called "Sanjiu".

March 9th is an important period of the lunar calendar in China. The cold and dry weather has a certain influence on people's life and health. Only by taking appropriate measures to keep warm and adjusting diet and mood reasonably can we spend this cold season better.

Characteristics of Sanjiutian:

1, cold and dry: the temperature is usually low in March and September, and the temperature difference between day and night is also relatively large. Because of the low temperature, less water evaporates in the air, which leads to dry air.

2. Frequent cold wave and cold air attacks: March 9 is the frequent period of cold wave and cold air attacks. These cold air often bring extreme weather such as strong wind, cooling and snowfall, which brings great inconvenience to people's life and work.

3. The temperature difference between day and night is large: during the Third Nine-Year Plan period, although the daytime temperature is relatively low, it is relatively suitable; At night, the temperature will drop sharply, especially when there is no wind or the wind is weak, and the cold feeling at night is more obvious.

4. Unstable climate: Due to the frequent invasion of cold air, the climate in March and September is very unstable, and the weather changes greatly, sometimes it is cold and sometimes it is slightly warm. This unstable climate has brought some troubles to people's lives.