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Below-average temperatures return to mainland Portugal: sharp drop reverses thermal anomaliesPhoto by jarmoluk on Pexels
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Leiria

Below-average temperatures return to mainland Portugal: sharp drop reverses thermal anomalies

Meteored Portugal15 September 2026 at 09:03

Maximum temperatures are registering a sharp drop in mainland Portugal, potentially reaching 10°C in just 24 hours. This weather change reverses the positive thermal anomalies that were being felt, bringing back below-average values for this time of year.

The drop is particularly significant on the central coast of the country, also covering part of the northern coast and the Alentejo coast. The district capital of Leiria could register a drop of 10°C, exemplifying the intensity of this thermal change.

However, the interior region of the country presents a different scenario, maintaining elevated maximum temperatures that can reach 37°C. In these regions, positive thermal anomalies, meaning values above average, continue to occur.

This forecast was previously indicated by Meteored Portugal, which warned about the arrival of this cooler air mass that contrasts with the intense heat felt in previous days in various regions of Portuguese mainland territory.

Why this matters

Readers in mainland Portugal, especially in coastal areas, are facing a significant weather change, with temperature drops of up to 10°C in 24 hours. This change directly affects those living on the coast, reversing recent heat and bringing below-average values to several cities. The thermal contrast between the hot interior and the cold coast creates distinct weather conditions within the same country.

About this summary

This is our short summary of a report published by Meteored Portugal on 15 September 2026 at 09:03; the full text stays with the publisher. In our feed it sits under Weather, and it concerns Leiria. We currently carry 3317 items in that section.

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