The average daily temperature in Rome all through the month of September is 20. Throughout the month you should see a high of 27 and low around 16 celsius. The table below includes more detail:
| Month | Degrees Celsius |
|---|---|
| Temperature | 20 |
| High Temperature | 27 |
| Low Temperature | 16 |
| Sunshine Per Day | 9 |
Useful Links: Rome Weather: Average Weather & Yearly Climate