Normally, you can expect the weather in Estoril all through September is 20 with a typical high being 27 and lows being 16 degrees. We have put some more details below:
| Month | Degrees Celsius |
|---|---|
| Temperature | 20 |
| High Temperature | 27 |
| Low Temperature | 16 |
| Sunshine Per Day | 9 |
Useful Links: Estoril Weather: Average Weather & Yearly Climate