Portugal records fourth hottest September day in 85 years
The Portuguese Institute of the Sea and Atmosphere (Instituto Português do Mar e da Atmosfera or IPMA) reported that September 3, 2026, was the fourth hottest day for the month since 1941. Alcochete recorded the highest temperature in the country, reaching 44.3 degrees Celsius.
A red warning is the highest alert level issued by Portugal's weather agency, the Portuguese Institute for the Sea and the Atmosphere (Instituto Português do Mar e da Atmosfera or IPMA), used when conditions pose a very high risk to life and property. Under a red warning authorities may close roads, suspend transport and advise people to avoid coastal and flood‑prone areas, so follow civil protection instructions during the Friday–Saturday storm period.
