Generally, the weather in Kos during the time of September is 21 with a general average high of 26 and lows being 19 degrees celsius. We have put some more info below:
| Month | Degrees Celsius |
|---|---|
| Temperature | 21 |
| High Temperature | 26 |
| Low Temperature | 19 |
| Sunshine Per Day | 9 |
Useful Links: Kos Weather: Average Weather & Yearly Climate