Toronto UV index in September
Typical ultraviolet levels for Toronto during September, from the past year of data.
Moderate
Toronto
Moderate UV. Protect your skin during midday hours; wearing a hat and applying sunscreen is advisable.
5.7
UV Index
September average UTC
Low
Moderate
High
Very High
Extreme
September UV
5.7375
Risk level
Moderate
Yearly peak
8.2348
Peak month
July
Toronto UV index — monthly trend
Average UV index by month over the past year, with September highlighted.
Visiting Toronto in September?
In September, Toronto's typical UV index is about 5.7375 — a moderate risk level. Moderate UV. Protect your skin during midday hours; wearing a hat and applying sunscreen is advisable.
Across the year, Toronto sees the strongest UV in Summer, peaking around 8.2348 in July. Plan sun protection accordingly.