Rotterdam UV index in September

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

Moderate Rotterdam

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

September average UTC

September UV
5.0153
Risk level
Moderate
Yearly peak
8.2557
Peak month
July

Rotterdam UV index — monthly trend

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

Visiting Rotterdam in September?

In September, Rotterdam's typical UV index is about 5.0153 — a moderate risk level. Moderate UV. Protect your skin during midday hours; wearing a hat and applying sunscreen is advisable.

Across the year, Rotterdam sees the strongest UV in Summer, peaking around 8.2557 in July. Plan sun protection accordingly.