Typically the weather in West Lafayette during the time of September is 17. You can expect highs around 25 and low average expected to be 12 degrees. We have put some more details below:
| Month | Degrees Celsius |
|---|---|
| Temperature | 17 |
| High Temperature | 25 |
| Low Temperature | 12 |
| Sunshine Per Day | 10 |
Useful Links: West Lafayette Weather: Average Weather & Yearly Climate