Average temperature in Jervis Bay all through the month of September is 13. You can expect highs around 21 and lows around 9 degrees. We have put some more details below:
| Month | Degrees Celsius |
|---|---|
| Temperature | 13 |
| High Temperature | 21 |
| Low Temperature | 9 |
Useful Links: Jervis Bay Weather: Average Weather & Yearly Climate