Usually the average weather in Swansea all through the month of September is 13 with the high being 17 degrees and a low of 12.
| Month | Degrees Celsius |
|---|---|
| Temperature | 13 |
| High Temperature | 17 |
| Low Temperature | 12 |
| Sunshine Per Day | 6 |
Swansea, UK Weather in September FAQs
So what weather should I expect to see?
The weather looks like it will be 13.
Whats the coolest it usually gets?
Our insight suggests the lows will be approximately 12 degrees celsius.Useful Links: Swansea Weather: Average Weather & Yearly Climate