Frequent temperatures in Rovinj for the duration of September is 18 with usual highs being around 23 and lows around 17 degrees celsius. We have put some more detail below here:
| Month | Degrees Celsius |
|---|---|
| Temperature | 18 |
| High Temperature | 23 |
| Low Temperature | 17 |
| Sunshine Per Day | 11 |
Useful Links: Rovinj Weather: Average Weather & Yearly Climate