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Weather forecast for September 4, 2026Photo by Emílio on Pexels
WeatherLisboaAçores

Weather forecast for September 4, 2026

Jornal de Mafra3 September 2026 at 20:25

A weather forecast was published for September 4-7, 2026, covering the municipalities of Mafra, Ericeira, Sintra, Torres Vedras, Santa Cruz and Lisbon.

The forecast indicates that on Friday September 4 all municipalities will have partly cloudy skies, with temperatures between 17º and 32º. On Saturday September 5, an improvement in the weather is expected, with clear skies in Mafra, Sintra and Lisbon, and few clouds in Ericeira, Torres Vedras and Santa Cruz, with temperatures rising to 36º in Lisbon and 34º in Torres Vedras.

The Portuguese Institute of the Sea and Atmosphere issued a yellow warning for the district of Lisbon regarding hot weather, with elevated maximum temperature values, valid between 18:53 on September 3 and 18:00 on September 5, 2026.

The forecast was last updated on September 3, 2026 at 18:52, and indicates that between Sunday September 6 and Monday September 7 the sky will once again be partly cloudy in most locations, with a gradual drop in maximum temperatures.

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