You should expect the average temperature in Llandudno in the month of September is 12, with highs being around 17 degrees and a low of 10 degrees. We have put some more details below:
| Month | Degrees Celsius |
|---|---|
| Temperature | 12 |
| High Temperature | 17 |
| Low Temperature | 10 |
| Sunshine Per Day | 6 |
Useful Links: Llandudno Weather: Average Weather & Yearly Climate