Reykjavik UV index in September
Typical ultraviolet levels for Reykjavik during September, from the past year of data.
Low UV. You can safely enjoy being outside; the sun's rays are not very strong.
September average
Reykjavik UV index — monthly trend
Average UV index by month over the past year, with September highlighted.
Visiting Reykjavik in September?
In September, Reykjavik's typical UV index is about 2.26 — a low risk level. Low UV. You can safely enjoy being outside; the sun's rays are not very strong.
Across the year, Reykjavik sees the strongest UV in Summer, peaking around 4.8606 in July. Plan sun protection accordingly.