Frequent temperatures in Ischia in the time of September is 21 with a high of 26 degrees and a low of 18. We have provided a clearer breakdown here:
| Month | Degrees Celsius |
|---|---|
| Temperature | 21 |
| High Temperature | 26 |
| Low Temperature | 18 |
| Sunshine Per Day | 9 |
Useful Links: Ischia Weather: Average Weather & Yearly Climate