Core Viewpoint - The article discusses the upcoming autumn equinox on September 23, highlighting the significant drop in temperature and increased temperature variation between day and night as the region transitions into late autumn [1] Weather Forecast Summary - On September 22, the weather in Zhengzhou is expected to be overcast with light rain during the day and moderate rain at night, with temperatures ranging from 15°C to 18°C [1] - On September 23, moderate rain will transition to cloudy skies, with temperatures between 15°C and 17°C [1] - On September 24, the weather will be sunny with some clouds, with temperatures rising to between 15°C and 27°C [1] - On September 25, the weather remains sunny with some clouds, with temperatures again between 15°C and 27°C [1] - On September 26, there will be cloudy skies with occasional rain, with temperatures ranging from 16°C to 24°C [1] - On September 27, the weather will be mostly cloudy, with temperatures between 17°C and 25°C [1] - On September 28, the forecast indicates a transition from cloudy to sunny weather, with temperatures ranging from 18°C to 26°C [1]

Core Points - The Autumn Equinox, the 16th solar term, marks the midpoint of autumn and begins on September 23, 2025 [2] - The Autumn Equinox is a significant time for agricultural activities, with rapid temperature drops and increased farming activities across China [4] - The establishment of the "Chinese Farmers' Harvest Festival" on the Autumn Equinox since 2018 reflects a blend of climate, agricultural practices, and cultural heritage [6] Agricultural Significance - The Autumn Equinox represents a "golden intersection" for climate and agriculture, with the harvest of crops like rice in the south and corn and soybeans in the north reaching their peak [7] - It is also the optimal time for sowing winter wheat, aligning with traditional agricultural wisdom [7] - The festival celebrates the balance of labor and reward, allowing farmers to share their achievements during the most fulfilling time of the year [7] Cultural Integration - The Harvest Festival on the Autumn Equinox showcases deep-rooted agricultural traditions and transforms them into modern cultural symbols, celebrating the harmony between humans and nature [8] - The timing of the festival accommodates various ethnic traditions, making it easier for diverse communities to participate in the celebration [9] - Activities such as dragon dances and heritage exhibitions help reconnect people with their agricultural roots and promote sustainable development [9]