Montreal UV index in September

Typical ultraviolet levels for Montreal during September, from the past year of data.

Moderate Montreal

Moderate UV. Protect your skin during midday hours; wearing a hat and applying sunscreen is advisable.

September average

September UV
5.9852
Risk level
Moderate
Yearly peak
8.8952
Peak month
July

Montreal UV index — monthly trend

Average UV index by month over the past year, with September highlighted.

How this is calculated

Visiting Montreal in September?

In September, Montreal's typical UV index is about 5.9852 — a moderate risk level. Moderate UV. Protect your skin during midday hours; wearing a hat and applying sunscreen is advisable.

Across the year, Montreal sees the strongest UV in Summer, peaking around 8.8952 in July. Plan sun protection accordingly.