Normally the weather in Southport in the course of September is 12. You can expect a high of 17 and lows around 11 degrees. We have put some more details below:
| Month | Degrees Celsius |
|---|---|
| Temperature | 12 |
| High Temperature | 17 |
| Low Temperature | 11 |
| Sunshine Per Day | 5 |
Useful Links: Southport Weather: Average Weather & Yearly Climate