September 1 Is it 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).

Cool autumn is coming slowly, but fitness is a kind of exercise that can't stop all year round. Fitness people can choose jogging, mountain climbing, ball games and other sports that are more suitable for autumn and winter according to their physique and hobbies. Compared with summer, the amount of exercise in autumn and winter can be appropriately increased and the exercise time can be lengthened, but attention should be paid to gradual progress.

Compared with outdoor sports, this kind of indoor sports makes people feel comfortable, but don't underestimate its sports effect. According to relevant data, a regular badminton match is more intense than a football match.

The temperature in late autumn doesn't feel very cold, but it decreases with the increase of hillside height, and the temperature difference between morning and evening is large. At this time, mountain climbing can also make people's body temperature regulation mechanism constantly in a state of tension, thus improving the body's adaptability to environmental changes.

Temperature:

Beginning of autumn doesn't mean that the hot summer is coming to an end. Beginning of autumn is still in the summer heat period, and the summer heat will not come out until the second solar term in autumn, and the weather is still very hot in early autumn. The so-called "heat is in three volts", according to the calculation method of "three volts", beginning of autumn is often still in the "three volts" period until the summer heat, so the weather is still very hot in early autumn, and it will generally cool after the Millennium solar terms.

The watershed of summer heat is in autumn, not at the turn of summer and autumn. The climate in autumn is divided into two stages, the early autumn is sultry, and the climate tends to be dry and cool after the Mid-Autumn Festival.

According to the average climate temperature of modern scholar Zhang Baokun, there are four seasons in a year. The index is that the average temperature is lower than 10℃ in winter, higher than 22℃ in summer, and 10~22℃ in spring and autumn respectively.