Official observations from Taipei stations confirm a daily maximum of 31°C on September 7, 2026, aligning precisely with the market's near-certain outcome and reflecting calm atmospheric conditions under partly cloudy skies with light variable winds. Central Weather Administration data and model consensus showed afternoon peaks reaching this threshold without exceeding it, consistent with September climatology where mean highs hover near 30°C amid moderating monsoon influences. Recent model runs from sources like the National Centers for Environmental Prediction reinforced stable steering patterns that prevented stronger heating or convective cooling. Resolution hinges on final verified station readings; an upward revision from instrument calibration or an overlooked microsite spike remains the only plausible shift, though current evidence indicates negligible probability.