Normally, you can expect the weather in Cairns during the month of September is 21 with a typical high being 27 with low average temperatures being 19. Our table below has the full details:
| Month | Degrees Celsius |
|---|---|
| Temperature | 21 |
| High Temperature | 27 |
| Low Temperature | 19 |
| Sunshine Per Day | 9 |
Useful Links: Cairns Weather: Average Weather & Yearly Climate