Usually the average weather in Bansko throughout the duration of September is 15 with a high of 23 degrees celsius and a low of 11 celsius. We have put some more information here:
| Month | Degrees Celsius |
|---|---|
| Temperature | 15 |
| High Temperature | 23 |
| Low Temperature | 11 |
| Sunshine Per Day | 8 |
Useful Links: Bansko Weather: Average Weather & Yearly Climate