Forecasts from major models including ECMWF and GFS indicate a minimum temperature near 19–21°C for Milan on September 1, driven by warm advection under a stable high-pressure ridge with light easterly winds limiting nocturnal cooling. Persistent subtropical air masses and dew points around 18–20°C reduce radiative heat loss, keeping overnight lows well above the September climatological average of ~17°C. The closely matched market-implied odds reflect uncertainty in exact boundary-layer mixing, potential for brief clear-sky radiational cooling, or minor model shifts in cloud cover and wind by resolution. With only 48 hours until verification, the next ensemble runs will sharpen the distinction between a 19°C outcome and either cooler intrusions or warmer mixing scenarios.