Weather Changes in China - The weather patterns in China are contrasting, with northern regions experiencing cooler temperatures while southern regions continue to face high temperatures [1][6] - Southern high temperatures have temporarily decreased but are expected to return after September 11 due to the strengthening of subtropical high pressure [4][3] Southern High Temperature Records - Southern cities like Hangzhou and Nanchang have set records for consecutive high-temperature days, with Hangzhou reaching 35 days and Nanchang recording its 60th high-temperature day this year [1][3] - Despite a temporary reduction in high temperatures, many areas in the south are still experiencing extreme heat, with records likely to be broken in the coming days [1][3] Northern Cooling and Temperature Variations - Northern regions are experiencing significant temperature drops, with notable increases in the temperature difference between day and night, exemplified by locations like Dunhuang, where the temperature difference exceeds 20°C [6][4] - The onset of the "White Dew" solar term is expected to further accentuate these temperature variations [6] Rainfall and Typhoon Activity - Rainfall is expected to concentrate in regions between the Yellow River and the Yangtze River, with significant precipitation anticipated in southwestern areas [7] - The formation of Typhoon "Tabha" is imminent, with expectations of it making landfall in Guangdong, leading to increased rainfall in southern regions [9][8]