Recent model guidance for Buenos Aires shows overnight lows on September 14 clustered between 5–9°C under clearing skies and light northerly winds, following a cool early-September period that included a 2.4°C reading on the 6th. Trader sentiment remains nearly evenly split between 2°C or below and 12°C or higher because short-range ensembles still diverge on the strength of any lingering cold air mass versus moderating influences from the north. Official Argentine meteorological data and global models emphasize the narrow range of expected minima, with resolution hinging on precise timing of wind shifts and radiational cooling under clear conditions. Updated runs from major centers in the next 24–48 hours will likely narrow this uncertainty.