What does autumn tiger mean?

Twenty-four autumn tigers is a proverb If it doesn't rain in beginning of autumn that day, it will be very hot in the twenty-four days after beginning of autumn. Therefore, we call the twenty-four days after beginning of autumn the twenty-four autumn tigers. Besides, if it rains in beginning of autumn, it will be cool next autumn.

In meteorology, autumn tiger refers to the weather above 35℃ after a short period of heat recovery after lodging for three days. It usually happens between August and September. The weather is characterized by cool in the morning and evening and high temperature exposure in the afternoon.

Based on many years' experience, the folk summed up the saying of twenty-four autumn tigers, which was widely circulated. This means that if it doesn't rain in beginning of autumn every year, the twenty-four days after beginning of autumn are also very hot, so it is called the twenty-four autumn tigers; If it rains that day in beginning of autumn, even if it is light rain, it is also called "Shun Qiu". There is a folk proverb: an autumn rain followed by a cold means that the weather will become cooler and more pleasant after the autumn.