Click on a day for an hourly weather forecast
The weather in Vasto in September is hot. The average temperatures are between 20°C and 26°C.
You can expect a few rainy days in Vasto during September, but usually the weather is comfortable in September.
Our weather forecast can give you a great sense of what weather to expect in Vasto in September 2026.
If you’re planning to visit Vasto in the near future, we highly recommend that you review the 14 day weather forecast for Vasto before you arrive.
| Month | Temperatures | Rainy Days | Dry Days | Snowy Days | Rainfall | Weather | More details |
|---|---|---|---|---|---|---|---|
| January | 12° / 7° | 6 | 25 | 0 | 109 mm | Ok | Vasto in January |
| February | 12° / 8° | 5 | 22 | 1 | 72 mm | Ok | Vasto in February |
| March | 14° / 9° | 4 | 27 | 0 | 78 mm | Good | Vasto in March |
| April | 17° / 11° | 4 | 26 | 0 | 57 mm | Good | Vasto in April |
| May | 21° / 15° | 4 | 27 | 0 | 55 mm | Good | Vasto in May |
| June | 26° / 20° | 3 | 28 | 0 | 37 mm | Perfect | Vasto in June |
| July | 29° / 23° | 2 | 29 | 0 | 40 mm | Good | Vasto in July |
| August | 29° / 23° | 2 | 29 | 0 | 28 mm | Good | Vasto in August |
| September | 26° / 20° | 2 | 28 | 0 | 46 mm | Perfect | Vasto in September |
| October | 21° / 16° | 3 | 28 | 0 | 66 mm | Good | Vasto in October |
| November | 17° / 13° | 3 | 27 | 0 | 78 mm | Good | Vasto in November |
| December | 13° / 9° | 4 | 27 | 0 | 68 mm | Ok | Vasto in December |