Recent forecast models indicate scattered showers and increased cloud cover could cap daytime heating in Taipei on September 14, supporting trader emphasis on 31–33°C outcomes. Official guidance from the Central Weather Administration and ensemble runs point to a high near 30–32°C amid northeasterly flow and humidity above 70%, with precipitation probability around 20–40% during peak heating hours. Key variables include the exact timing and intensity of any rain, which can suppress maximum temperatures by 2–4°C through evaporative cooling and reduced insolation, versus clearer intervals allowing brief spikes toward 34°C. Wind speeds near 10–15 km/h and stable pressure around 1014 hPa limit extreme deviations, while historical September baselines near 30°C provide context for the narrow distribution. Updated model runs overnight will refine these probabilities ahead of resolution.