Brussels UV index in September
Typical ultraviolet levels for Brussels during September, from the past year of data.
Moderate UV. Protect your skin during midday hours; wearing a hat and applying sunscreen is advisable.
September average
Brussels UV index — monthly trend
Average UV index by month over the past year, with September highlighted.
Visiting Brussels in September?
In September, Brussels's typical UV index is about 5.3043 — a moderate risk level. Moderate UV. Protect your skin during midday hours; wearing a hat and applying sunscreen is advisable.
Across the year, Brussels sees the strongest UV in Summer, peaking around 8.5859 in July. Plan sun protection accordingly.