Generally, the weather in Halton throughout the time of September is 12. High temperatures are around 18 and typical average low being around 9. We have provided a clearer breakdown here:
| Month | Degrees Celsius |
|---|---|
| Temperature | 12 |
| High Temperature | 18 |
| Low Temperature | 9 |
| Sunshine Per Day | 6 |
Useful Links: Halton Weather: Average Weather & Yearly Climate