Is September in the lunar calendar autumn or winter?

September in the lunar calendar is autumn.

According to modern meteorology, the autumn in the north temperate zone is from August 23rd (summer) to165438+1October 22nd (light snow). Autumn in the south temperate zone is from February 19 (rain in the northern hemisphere) to May 2 1 (xiaoman in the northern hemisphere).

In China, traditionally, "beginning of autumn" in the 24 solar terms is taken as the starting point of autumn. Entering autumn means that rainfall and humidity tend to decrease or decrease. In nature, the qi of Yin and Yang began to change, the yang gradually declined, the yin gradually emerged, the climate changed from hot to cold, and everything was born with cold and gradually declined.

Autumn solar terms:

Beginning of autumn: The sun is located at longitude 135 degrees, and will intersect on August 7-9. Rainfall, storm, temperature and humidity tend to decrease or decrease.

Summer: The sun is located at the longitude of the Yellow River 150 degrees, and it is in the internode on August 22-24. The summer heat ended here, and the rainfall gradually decreased.

Millennium: The sun is located at 0/65 degrees of the yellow longitude/kloc, and the solar term passes on September 7-9. Dry, the temperature difference between day and night is large, and the weather gradually turns cold.

Autumnal Equinox: The sun is located at 0/80 degrees of the Yellow Meridian/KLOC, and the solar term passes on September 22-24. The sun shines directly on the equator, and the length of day and night in the northern and southern hemispheres is equal. The temperature difference between day and night gradually increases, and the temperature drops day by day.

Cold dew: The sun is located at the longitude 195 degrees, and the node of 101October 8-9. The temperature drops, there is less rain and dryness, and the morning dew is colder.

First frost: the sun is located at longitude 2 10, and the node is 65438+1October 23-24. It's cold in the morning and evening, hot at noon, dry in autumn, obvious scene in late autumn, and more and more cold air in the south.