Forecast models from agencies including the German Weather Service indicate a high near 25°C for Munich on September 30 under stable high pressure, light easterly winds, and partly cloudy skies that allow sufficient solar heating without excessive cloud cover or frontal passages. This aligns with late-September climatology, where average highs reach about 17°C but recent warm anomalies have supported peaks in the mid-20s. Historical records show a 26.5°C maximum for the date, yet current guidance shows low probability of exceeding 26°C or falling below 24°C given consistent model runs. Traders assign the highest implied probability to 25°C as the most likely outcome based on these stable conditions, with minor uncertainty from potential afternoon clearing or measurement variations at official stations.