Typical average daily weather in Kiawah Island right-through September is 24. You can expect a high of 30 and low being 21. Our table below has the full details:
| Month | Degrees Celsius |
|---|---|
| Temperature | 24 |
| High Temperature | 30 |
| Low Temperature | 21 |
Useful Links: Kiawah Island Weather: Average Weather & Yearly Climate