**Recent forecasts for Guangzhou on September 4, 2026, center on 26–28°C amid cloudy, rainy conditions driven by the remnants of Typhoon Saudel (or associated tropical low-pressure systems) over the northern South China Sea.** Multiple models (including Yr.no, AccuWeather, and WeatherBug) project a daytime high near 27–28°C (roughly 80–82°F) under widespread cloud cover, with moderate northwest winds, high humidity, and periods of rain or thunderstorms that limit solar heating and evaporative cooling effects. This setup explains the tight clustering of market-implied probabilities around 26–30°C: persistent moisture and reduced insolation from the weather system suppress peak temperatures relative to clearer late-summer norms, while minor model differences in exact rainfall timing, cloud thickness, or steering flow create the observed spread. Historical September averages for the region hover near 32°C, but the current synoptic pattern favors a cooler, more stable outcome. Updated model runs and official briefings from the China Meteorological Administration in the next 24–48 hours will likely sharpen resolution criteria around these thresholds.