Frequently the weather in Fair Isle all through September is 9. With the average high being 12 and low being around 9. Our table below has the full details:
| Month | Degrees Celsius |
|---|---|
| Temperature | 9 |
| High Temperature | 12 |
| Low Temperature | 9 |
| Sunshine Per Day | 5 |
Useful Links: Fair Isle Weather: Average Weather & Yearly Climate