Current ensemble forecasts from global models indicate Cape Town's minimum temperature on September 2 will likely range between 10–13 °C, driven by a stable high-pressure system promoting clear to partly cloudy skies, light southerly winds, and moderate radiative cooling overnight. Historical September climatology shows average lows near 11 °C, with variability from Atlantic moisture or transient fronts capable of shifting readings by 2–4 °C. Trader sentiment remains balanced across 6–15 °C bins because small differences in dew point, cloud timing, or wind mixing can determine whether the overnight minimum falls into the lower or mid-teens Celsius. Updated regional model runs and official South African Weather Service briefings over the next 48 hours represent the key data releases likely to refine these probabilities.