| Hitliste Temperatur Maximum Mittwoch, 17.09.25 | |
| °C | Station |
| 25.2 | Bellinzona |
| 25.1 | Cresciano |
| 24.9 | Isole di Brissago |
| 24.9 | Loc.-Magadino |
| 24.7 | Roveredo (GR) |
| 24.6 | Bignasco |
| 24.5 | Lopagno |
| 24.4 | Ascona |
| 24.3 | Untersiggenthal |
| 24.3 | Echallens |
| 24.2 | Intragna |
| 24.1 | Ackersand |
| 23.9 | Steg (VS) |
| 23.9 | Lugano |
| 23.9 | Grono |
| 23.8 | Mosogno (TI) |
| 23.7 | Stabio |
| 23.4 | Villigen |
| 23.3 | Locarno-Monti |
| 23.2 | Honau |
