Generally the typical temperate in Florida Keys in the course of September is 28. Highs are around 31 with low daily temperautes being 26 degrees. Find more information below:
| Month | Degrees Celsius |
|---|---|
| Temperature | 28 |
| High Temperature | 31 |
| Low Temperature | 26 |
| Sunshine Per Day | 9 |
Useful Links: Florida Keys Weather: Average Weather & Yearly Climate