Normally the average weather in Maastricht through the whole of September is 13. Average high is typically 19 and lows around 11 degrees celsius. We have put some more detail below here:
| Month | Degrees Celsius |
|---|---|
| Temperature | 13 |
| High Temperature | 19 |
| Low Temperature | 11 |
| Sunshine Per Day | 5 |
Useful Links: Maastricht Weather: Average Weather & Yearly Climate