Frequently the average temperatures in Falmouth during the month of September is 12. Through the month the highs are about 16 with low daily temperautes being 11 celsius. We have put some more information here:
| Month | Degrees Celsius |
|---|---|
| Temperature | 12 |
| High Temperature | 16 |
| Low Temperature | 11 |
Useful Links: Falmouth Weather: Average Weather & Yearly Climate