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The weather in Rome in September is hot. The average temperatures are between 20°C and 26°C.
You can expect about 3 to 8 days of rain in Rome 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 Rome in September 2025.
If you’re planning to visit Rome in the near future, we highly recommend that you review the 14 day weather forecast for Rome before you arrive.
| Month | Temperatures | Rainy Days | Dry Days | Snowy Days | Rainfall | Weather | More details |
|---|---|---|---|---|---|---|---|
| January | 13° / 8° | 6 | 25 | 0 | 101 mm | Ok | Rome in January |
| February | 13° / 8° | 5 | 23 | 0 | 97 mm | Ok | Rome in February |
| March | 15° / 9° | 4 | 27 | 0 | 85 mm | Good | Rome in March |
| April | 18° / 12° | 3 | 27 | 0 | 59 mm | Good | Rome in April |
| May | 21° / 15° | 3 | 28 | 0 | 61 mm | Good | Rome in May |
| June | 26° / 19° | 3 | 27 | 0 | 45 mm | Perfect | Rome in June |
| July | 29° / 23° | 1 | 30 | 0 | 29 mm | Good | Rome in July |
| August | 30° / 23° | 1 | 30 | 0 | 24 mm | Good | Rome in August |
| September | 26° / 20° | 4 | 26 | 0 | 100 mm | Perfect | Rome in September |
| October | 22° / 16° | 5 | 26 | 0 | 135 mm | Good | Rome in October |
| November | 18° / 13° | 8 | 22 | 0 | 199 mm | Ok | Rome in November |
| December | 14° / 9° | 5 | 26 | 0 | 103 mm | Good | Rome in December |