Overview
- Monday provided a short‑lived surge of late‑summer warmth with widespread highs of about 25–33 °C and locally higher values in the south.
- Meteorological models and the DWD show a cold front advancing from the northwest from Tuesday into midweek that will replace the warm air with cooler, unsettled weather.
- Forecasters have warned of convective hazards during the frontal passage, including intense short‑term rainfall, hail and gusts that can reach storm strength in exposed areas.
- Regional contrasts will be strong: western and Alpine foothill areas face the highest thunderstorm risk while central and southern parts saw the warmest daytime readings, and parts of southern Europe are reporting extreme September heat above 40 °C.
- The pattern reflects a transient high over central Europe pushing warm air northward and an intensifying Atlantic low driving the cold front, with forecasters noting the possibility of a late‑September return of milder conditions but treating that as uncertain.