Climate averages 1991–2020
Weather in Italy in September
In September, average daytime highs across the 79 cities listed in Italy range from 20.7°C in Varese to 27.5°C in Catania. Monthly rainfall ranges from 29 mm in Gela to 170 mm in Trieste.
Long-term climate patterns, not a forecast for a particular trip.
City by city
September in Italy
| City | Average highHigh / low | Average low | Rainfall mm | Rain days |
|---|---|---|---|---|
| Rome | 25.3°C16.6°C | 16.6°C | 84 | 8.8 |
| Milan | 22.8°C14.0°C | 14.0°C | 119 | 9.5 |
| Naples | 25.3°C18.1°C | 18.1°C | 86 | 8.0 |
| Turin | 21.7°C13.0°C | 13.0°C | 88 | 8.3 |
| Palermo | 26.8°C20.6°C | 20.6°C | 61 | 8.8 |
| Genoa | 23.5°C16.5°C | 16.5°C | 124 | 11.0 |
| Bologna | 24.9°C15.1°C | 15.1°C | 68 | 8.0 |
| Florence | 24.5°C14.5°C | 14.5°C | 82 | 8.6 |
| Bari | 24.9°C19.3°C | 19.3°C | 60 | 8.3 |
| Catania | 27.5°C20.0°C | 20.0°C | 54 | 6.9 |
| Verona | 23.6°C15.1°C | 15.1°C | 105 | 10.0 |
| Messina | 26.1°C20.1°C | 20.1°C | 65 | 9.4 |
| Trieste | 22.3°C14.8°C | 14.8°C | 170 | 11.4 |
| Padua | 23.6°C14.8°C | 14.8°C | 107 | 9.4 |
| Brescia | 22.2°C14.6°C | 14.6°C | 112 | 10.6 |
| Taranto | 26.2°C19.0°C | 19.0°C | 48 | 6.4 |
| Parma | 24.3°C14.5°C | 14.5°C | 77 | 8.5 |
| Prato | 24.1°C14.9°C | 14.9°C | 81 | 9.9 |
| Modena | 24.1°C14.4°C | 14.4°C | 68 | 8.3 |
| Reggio Calabria | 26.1°C18.8°C | 18.8°C | 50 | 6.3 |
| Reggio nell'Emilia | 23.8°C14.3°C | 14.3°C | 78 | 8.9 |
| Livorno | 23.8°C17.9°C | 17.9°C | 103 | 8.9 |
| Cagliari | 26.9°C18.4°C | 18.4°C | 31 | 4.9 |
| Rimini | 23.7°C17.3°C | 17.3°C | 75 | 9.0 |
| Mestre | 23.0°C15.5°C | 15.5°C | 123 | 10.1 |
| Foggia | 27.3°C16.7°C | 16.7°C | 36 | 6.4 |
| Ferrara | 25.1°C15.5°C | 15.5°C | 75 | 8.8 |
| Acilia-Castel Fusano-Ostia Antica | 24.4°C18.6°C | 18.6°C | 86 | 7.8 |
| Salerno | 24.9°C18.8°C | 18.8°C | 105 | 9.6 |
| Monza | 22.2°C13.6°C | 13.6°C | 119 | 9.5 |
| Siracusa | 26.8°C21.1°C | 21.1°C | 48 | 6.2 |
| Bergamo | 21.6°C12.8°C | 12.8°C | 134 | 13.0 |
| Trento (approximate) | 21.7°C14.9°C | 14.9°C | 121 | 11.4 |
| Perugia | 22.6°C12.6°C | 12.6°C | 79 | 9.2 |
| Pescara | 24.1°C16.6°C | 16.6°C | 68 | 8.1 |
| Forlì | 24.9°C14.5°C | 14.5°C | 61 | 7.6 |
| Vicenza | 23.1°C13.8°C | 13.8°C | 113 | 10.3 |
| Terni | 25.6°C15.0°C | 15.0°C | 81 | 9.4 |
| Pisa | 24.2°C16.4°C | 16.4°C | 107 | 9.7 |
| Bolzano (approximate) | 22.1°C13.7°C | 13.7°C | 93 | 10.8 |
| Piacenza | 24.2°C15.2°C | 15.2°C | 93 | 8.8 |
| Novara | 23.1°C14.0°C | 14.0°C | 159 | 12.2 |
| Arezzo | 23.9°C14.4°C | 14.4°C | 94 | 10.2 |
| Udine | 21.4°C12.3°C | 12.3°C | 153 | 11.0 |
| Andria | 25.6°C17.1°C | 17.1°C | 48 | 7.3 |
| Cesena | 24.4°C14.6°C | 14.6°C | 58 | 7.6 |
| La Spezia | 22.7°C17.1°C | 17.1°C | 136 | 9.3 |
| Barletta | 25.5°C18.4°C | 18.4°C | 48 | 7.3 |
| Alessandria | 23.8°C14.2°C | 14.2°C | 86 | 8.7 |
| Sassari | 24.7°C17.6°C | 17.6°C | 43 | 6.1 |
| Ancona | 23.7°C17.6°C | 17.6°C | 60 | 7.8 |
| Guidonia Montecelio | 25.7°C15.3°C | 15.3°C | 85 | 9.4 |
| Brindisi | 26.7°C18.7°C | 18.7°C | 55 | 6.6 |
| Treviso | 22.8°C14.0°C | 14.0°C | 120 | 9.9 |
| Torre del Greco | 24.9°C18.5°C | 18.5°C | 86 | 8.0 |
| Como | 22.0°C14.4°C | 14.4°C | 155 | 10.4 |
| Busto Arsizio | 22.2°C13.8°C | 13.8°C | 134 | 9.9 |
| Lucca | 24.0°C15.3°C | 15.3°C | 107 | 9.7 |
| Pozzuoli | 24.6°C19.3°C | 19.3°C | 77 | 7.8 |
| Ravenna | 24.4°C16.2°C | 16.2°C | 74 | 8.7 |
| Fiumicino | 24.2°C18.9°C | 18.9°C | 86 | 7.8 |
| Lecce | 26.3°C19.0°C | 19.0°C | 59 | 6.6 |
| Varese | 20.7°C13.2°C | 13.2°C | 163 | 10.1 |
| Giugliano in Campania | 24.4°C18.1°C | 18.1°C | 94 | 9.0 |
| Catanzaro | 26.1°C18.1°C | 18.1°C | 90 | 11.4 |
| Marsala | 26.4°C20.6°C | 20.6°C | 42 | 5.9 |
| Pesaro | 23.4°C17.7°C | 17.7°C | 67 | 8.1 |
| Latina | 25.0°C17.6°C | 17.6°C | 88 | 9.8 |
| Cinisello Balsamo | 22.4°C13.9°C | 13.9°C | 119 | 9.5 |
| Gela | 27.0°C19.4°C | 19.4°C | 29 | 4.5 |
| Aprilia | 24.4°C17.6°C | 17.6°C | 91 | 9.2 |
| Asti | 23.6°C14.8°C | 14.8°C | 111 | 10.0 |
| Ragusa | 24.3°C17.4°C | 17.4°C | 45 | 7.4 |
| Pistoia | 24.1°C14.4°C | 14.4°C | 81 | 9.9 |
| Caserta | 25.2°C15.6°C | 15.6°C | 94 | 9.0 |
| Cremona | 24.3°C15.0°C | 15.0°C | 105 | 9.1 |
| Carpi | 24.8°C15.2°C | 15.2°C | 68 | 8.3 |
| Altamura | 24.9°C14.6°C | 14.6°C | 46 | 7.1 |
| Lamezia Terme | 25.0°C19.3°C | 19.3°C | 68 | 9.6 |
A rain day is a local calendar day with at least 1 mm of precipitation.