Brussels UV index in September

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

Moderate Brussels

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

September average

September UV
5.3043
Risk level
Moderate
Yearly peak
8.5859
Peak month
July

Brussels UV index — monthly trend

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

How this is calculated

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.