Overview

• Inmet reports highs near 40°C in parts of the Centre-West and Tocantins, with capitals such as Cuiabá forecast to reach that threshold.
• Relative humidity is dropping to 10–12% in areas like the Distrito Federal and southern Tocantins, triggering low-humidity alerts and public health guidance.
• Inmet has storm warnings for the North and South, with forecasts of heavy rain, gusts up to 60 km/h and a risk of hail in the highlighted areas.
• Goiás and much of the Centre-West are expected to remain hot and mostly dry until more widespread rains projected to return around October 13.
• São Paulo and the Vale do Paraíba face hotter days, below-average September rainfall and high wildfire risk, with local civil defense maintaining precautionary status.