Click on a day for an hourly weather forecast
The temperatures in Pompei in September are comfortable with low of 19°C and and high up to 27°C.
You can expect about 3 to 8 days of rain in Pompei during the month of September. It’s a good idea to bring along your umbrella so that you don’t get caught in poor weather.
Our weather forecast can give you a great sense of what weather to expect in Pompei in September 2025.
If you’re planning to visit Pompei in the near future, we highly recommend that you review the 14 day weather forecast for Pompei before you arrive.
| Month | Temperatures | Rainy Days | Dry Days | Snowy Days | Rainfall | Weather | More details |
|---|---|---|---|---|---|---|---|
| January | 12° / 7° | 8 | 23 | 1 | 150 mm | Bad | Pompei in January |
| February | 13° / 7° | 7 | 21 | 0 | 152 mm | Bad | Pompei in February |
| March | 15° / 8° | 6 | 25 | 0 | 117 mm | Good | Pompei in March |
| April | 18° / 11° | 5 | 25 | 0 | 75 mm | Good | Pompei in April |
| May | 22° / 14° | 5 | 26 | 0 | 84 mm | Good | Pompei in May |
| June | 27° / 18° | 4 | 26 | 0 | 59 mm | Perfect | Pompei in June |
| July | 30° / 21° | 2 | 29 | 0 | 30 mm | Good | Pompei in July |
| August | 31° / 22° | 2 | 29 | 0 | 26 mm | Good | Pompei in August |
| September | 27° / 19° | 5 | 25 | 0 | 110 mm | Perfect | Pompei in September |
| October | 22° / 15° | 5 | 26 | 0 | 137 mm | Good | Pompei in October |
| November | 18° / 12° | 8 | 22 | 0 | 211 mm | Ok | Pompei in November |
| December | 14° / 8° | 6 | 25 | 0 | 142 mm | Good | Pompei in December |