Pack or skip
Insect repellent for Toronto in September
Verdict
Pack it
Warm (68°F) plus 9 rainy days = mosquito conditions.
Why
Toronto in September averages highs of 68°F, lows of 53°F, 9 rainy days.
That climate means insect repellent earns its space in the bag. Warm (68°F) plus 9 rainy days = mosquito conditions.