Typical average weather in Tenby throughout the duration of September is 13. Through the month the highs are about 18 degrees and a low of 11 degrees celsius. We have put some more detail below here:
| Month | Degrees Celsius |
|---|---|
| Temperature | 13 |
| High Temperature | 18 |
| Low Temperature | 11 |
Useful Links: Tenby Weather: Average Weather & Yearly Climate