Official observations from National Weather Service stations, including Austin-Bergstrom International Airport, recorded a maximum of 97°F on September 23, 2026, with afternoon peaks aligning closely to 94-95°F ranges at key reporting sites amid partly cloudy skies and light easterly winds. This outcome reflects the broader late-summer pattern of elevated temperatures across central Texas, where September 2026 mean highs exceeded 100°F early in the month yet moderated slightly by mid-week due to increased cloud cover and minimal daytime heating from scattered moisture. Trader consensus at near-100% for the 94-95°F bin incorporates verified station data and historical analogs showing typical late-September highs near 89°F, with the slim probability for 96-97°F hinging on potential revisions from secondary sites or heat-index adjustments. Resolution could shift only if official preliminary climatological reports undergo post-event correction or if a different primary station is designated for settlement.