Current forecast models indicate a daytime high near 25°C for Mexico City on September 29, driven by partly cloudy to overcast skies, moderate easterly winds, and scattered afternoon showers typical of the late rainy season. Multiple sources project peaks of 24–26°C, with limited spread reflecting stable atmospheric conditions and seasonal norms of 23–25°C for September maxima. Cloud cover and precipitation potential introduce modest uncertainty that could suppress or allow brief warming above 26°C, while trader consensus across closely matched outcomes (24–27°C) reflects this narrow range and the value of upcoming model updates from agencies like CONAGUA for refining the precise maximum.