Usually average temperatures are Haiku all through September is 24 with the high being 30 and low average expected to be 22 degrees. We have put some more details below:
| Month | Degrees Celsius |
|---|---|
| Temperature | 24 |
| High Temperature | 30 |
| Low Temperature | 22 |
| Sunshine Per Day | 10 |
Useful Links: Haiku Weather: Average Weather & Yearly Climate