Ottawa UV index in September
Typical ultraviolet levels for Ottawa during September, from the past year of data.
High
Ottawa
High UV. Avoid the sun during peak hours and wear protective clothing, sunscreen, and a hat.
6
UV Index
September average UTC
Low
Moderate
High
Very High
Extreme
September UV
6.0268
Risk level
High
Yearly peak
8.9576
Peak month
July
Ottawa UV index — monthly trend
Average UV index by month over the past year, with September highlighted.
Visiting Ottawa in September?
In September, Ottawa's typical UV index is about 6.0268 — a high risk level. High UV. Avoid the sun during peak hours and wear protective clothing, sunscreen, and a hat.
Across the year, Ottawa sees the strongest UV in Summer, peaking around 8.9576 in July. Plan sun protection accordingly.
