Click on a day for an hourly weather forecast
The temperatures in Sperlonga in September are comfortable with low of 19°C and and high up to 25°C.
You can expect about 3 to 8 days of rain in Sperlonga 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 Sperlonga in September 2026.
If you’re planning to visit Sperlonga in the near future, we highly recommend that you review the 14 day weather forecast for Sperlonga before you arrive.
| Month | Temperatures | Rainy Days | Dry Days | Snowy Days | Rainfall | Weather | More details |
|---|---|---|---|---|---|---|---|
| January | 12° / 7° | 8 | 23 | 0 | 115 mm | Bad | Sperlonga in January |
| February | 12° / 7° | 8 | 21 | 0 | 110 mm | Bad | Sperlonga in February |
| March | 14° / 8° | 8 | 23 | 0 | 103 mm | Ok | Sperlonga in March |
| April | 17° / 11° | 8 | 22 | 0 | 76 mm | Ok | Sperlonga in April |
| May | 20° / 14° | 9 | 22 | 0 | 70 mm | Ok | Sperlonga in May |
| June | 25° / 19° | 7 | 24 | 0 | 42 mm | Perfect | Sperlonga in June |
| July | 28° / 22° | 5 | 26 | 0 | 27 mm | Perfect | Sperlonga in July |
| August | 29° / 22° | 5 | 26 | 0 | 20 mm | Good | Sperlonga in August |
| September | 25° / 19° | 7 | 23 | 0 | 98 mm | Good | Sperlonga in September |
| October | 21° / 16° | 7 | 24 | 0 | 132 mm | Ok | Sperlonga in October |
| November | 17° / 12° | 11 | 20 | 0 | 201 mm | Ok | Sperlonga in November |
| December | 13° / 8° | 8 | 23 | 0 | 131 mm | Bad | Sperlonga in December |