Weather forecast for September 6, 2026

Weather forecast for September 6 to 9, 2026, published by Jornal de Mafra, covering the municipalities of Mafra, Sintra, Torres Vedras, Ericeira, Santa Cruz, and Lisbon. The forecast indicates that on Sunday, September 6, Mafra will have clear skies with temperatures between 17º and 28º and moderate north wind, while Sintra will also have clear skies with 18º to 26º and north wind. Torres Vedras has clear skies with higher temperatures, between 18º and 31º, and moderate northwest wind. Lisbon will have clear skies with temperatures between 20º and 34º and moderate north wind. Ericeira and Santa Cruz have few clouds with temperatures between 17º/24º and 17º/24º respectively, with moderate north wind. The Portuguese Institute of the Sea and the Atmosphere issued a yellow warning for hot weather in the Lisbon district, valid between September 5 at 6:41 PM and September 7 at 9:00 PM, due to high maximum temperature values. The forecast was last updated on September 5, 2026 at 6:40 PM.