Normally, the average daily temperature in Toronto through the whole of September is 16 with usual highs being around 22 with lows of 13. We have provided a clearer breakdown here:
| Month | Degrees Celsius |
|---|---|
| Temperature | 16 |
| High Temperature | 22 |
| Low Temperature | 13 |
| Sunshine Per Day | 10 |
Useful Links: Toronto Weather: Average Weather & Yearly Climate