"We will have summer temperatures, truly summer temperatures": heat could reach 39 degrees and last several daysPhoto by tarcisiofonseca on Pexels
Weather
Климат

"We will have summer temperatures, truly summer temperatures": heat could reach 39 degrees and last several days

CNN Portugal10 September 2026 at 08:40

Portugal will face a heat wave with summer temperatures that could reach 39 degrees. Climate expert Mário Marques explains that the forecast temperatures are well above average for this time of year, representing truly summer weather.

According to forecasts, this intense heat should persist for several consecutive days. However, Mário Marques anticipates that from mid-month onwards, temperatures should drop and the weather will cool down again.

The climate expert was consulted to clarify what Portuguese people can expect in the coming weeks, providing a technical perspective on this weather situation, which is abnormal for the period in question.

Related articles

Weather

IPMA reduces to three the Algarve municipalities with "maximum" fire danger

The Portuguese Institute of the Sea and the Atmosphere (IPMA) reduced to three the Algarve municipalities with "maximum" rural fire danger, keeping Loulé, São Brás de Alportel and Tavira at the highest level of risk. With "very high" danger are eight municipalities, including Vila do Bispo, Lagos, Monchique and Portimão, while Aljezur, Lagoa and Albufeira have "elevated" danger and only Faro and Olhão have "moderate" risk. The IPMA calculates these danger levels based on five indicators: air temperature, relative humidity, wind speed and precipitation in the previous 24 hours.

Jornal do Algarve10/09/26, 09:18
Cidades europeias no centro dos perigos das alterações climáticas
Weather

European cities at the center of climate change dangers

A report from the European Climate Observatory reveals that heat-related mortality in southern European cities increased by 160% between 1991-2000 and 2015-2024, placing European cities at the center of climate change dangers. The document warns that urban warming, lack of vegetation, and increasingly frequent heat waves require urgent adaptation measures in metropolitan areas across the continent.

Jornal de Negócios10/09/26, 09:09
Weather

Sun or more rain? Check the weather forecast for Rock in Rio on September 11, 12, and 13

After a first weekend of Rock in Rio marked by sun at the opening and rain on the following days, the weather forecast indicates that rain ponchos should be needed again at the City of Rock. According to meteorologist Andrea Ramos, Friday (11) will be the hottest day and with the lowest risk of rain, while Saturday (12) will have continuous heat, but with increased cloud cover and possibility of rain during some periods. The main change occurs on Sunday (13), when the passage of a cold front will bring cooler and more humid air, causing temperatures to drop, the sky to become more overcast, and significantly increasing the chance of rain, making this the day that requires the most attention from festival-goers.

oglobo10/09/26, 09:00
Weather

Will it rain at Rock in Rio? See 7 valuable tips to go prepared and enjoy the festival in the rain

Rock in Rio faced intense rain during the first week of the festival, and the weather forecast for the last three days indicates a high probability of rain, with temperatures between 18°C and 32°C. Friday (11) has a 79% chance of rain, Saturday (12) has the highest possibilities, and Sunday (13) can have up to a 95% chance, with lower temperatures. The article gathers seven tips for festival-goers to enjoy the event even with bad weather, also warning about falls and rain-related incidents at the festival's medical station.

extra10/09/26, 08:30