2 Sep, 2026 @ 10:37
1 min read

Orange alerts across Andalucia as September heat dome arrives – coastal areas to suffer humidity and Saharan dust

heat dome in september
September starts with smothering heat in parts of Andalucia.

SPAIN’S state weather agency has issued orange alerts for extreme heat across inland Andalucia this week as a mass of hot air brings temperatures of up to 42C.

A slow-moving high-altitude depression, known locally as a DANA, is dragging a sweltering weather front over the region from the south.

It will bring Saharan dust, known as calima, and extreme wildfire risks to the southern half of the peninsula from today (Wednesday).

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Aemet has warned that maximums will reach 40C in the campiña areas of Sevilla and Cordoba today, triggering significant risk warnings.

The heat will intensify tomorrow as a southerly flow pushes the mercury up to 42C in the Guadalquivir valley.

The orange warning zone will expand on Thursday to cover central Sevilla, most of Cordoba, northern Jaen and eastern Huelva.

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Yellow heat warnings are also in place across inland Cadiz, Huelva, and interior Granada, where the mercury is forecast to hit between 36C and 38C.

Those lower-tier warnings cover areas including the Aracena and Condado districts in Huelva, as well as the Guadix and Baza basins in Granada.

Coastal areas, including Malaga province and the Costa del Sol, have escaped the most severe temperature warnings but will not offer much respite.

Elevated humidity levels will combine with overnight minimums that will not drop below 20C, creating uncomfortable tropical nights along the Mediterranean.

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Suspended dust in the atmosphere will also create murky skies and the risk of muddy rain showers.

Afternoon thunderstorms are set to batter the mountain ranges of Jaen and Granada, bringing torrential localised downpours and hail.

Aemet has warned that the mountain storms could also trigger sudden and dangerously strong wind gusts.

Meanwhile, a gale-force easterly Levante wind is whipping through the Strait of Gibraltar, bringing powerful gusts to coastal Cadiz and the surrounding waters.

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The outlook for Friday remains highly uncertain as the DANA shifts.

Aemet predicts that western Andalucia will begin to cool down as fresher Atlantic air arrives.

However, daytime temperatures are forecast to climb further along the eastern Mediterranean strip before a general decline begins over the weekend.

Click here to read more Andalucia News from The Olive Press.

Walter Finch, is the Digital Editor of the Olive Press and occasional roaming photographer who started out at the Daily Mail.
Born in London but having lived in six countries, he is well-travelled and worldly. He studied Philosophy at the University of Birmingham and earned his NCTJ diploma in journalism from London's renowned News Associates during the Covid era.
He got his first break working on the Foreign News desk of the Daily Mail's online arm, where he also helped out on the video desk due to previous experience as a camera operator and filmmaker.
He then decided to escape the confines of London and returned to Spain in 2022, having previously lived in Barcelona for many years.

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