Swiss heatwaves kill more than 600 people this summer, FSO reports

September 24, 2026 at 07:03 PM1 min

This digest was compiled by AI from multiple sources — links to the originals are below.

Switzerland's Federal Statistical Office reported that heatwaves this summer caused more than 600 deaths. The fatalities occurred between June and September, with the first heatwave in late June being the deadliest. The summer was the hottest since records began in 1864.

Key Facts

The Swiss Federal Statistical Office reported that heatwaves caused more than 600 deaths in Switzerland this summer.
The summer of 2026 was the hottest in Switzerland since temperature records began in 1864.
The first heatwave, which occurred at the end of June, was the deadliest of the summer.
During the second heatwave, deaths among people under 65 were significantly higher than normal.

Heatwave Death Toll

The Swiss Federal Statistical Office (FSO) released its weekly mortality report on 24 September 2026. The report states that heatwaves this summer caused more than 600 deaths in Switzerland. The fatalities occurred between June and September, according to the FSO. The first heatwave, at the end of June, was the deadliest, and people under 65 were also affected.

Record-Breaking Summer

The summer of 2026 was the hottest in Switzerland since temperature records began in 1864. The FSO report highlights the severe impact of the extreme heat. During the second heatwave, deaths among people under 65 were significantly higher than normal.