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.
5
UV Index
September average UTC
Low
Moderate
High
Very High
Extreme
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.