Ljubljana UV index in September
Typical ultraviolet levels for Ljubljana 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
Ljubljana UV index — monthly trend
Average UV index by month over the past year, with September highlighted.
Visiting Ljubljana in September?
In September, Ljubljana's typical UV index is about 5.3663 — a moderate risk level. Moderate UV. Protect your skin during midday hours; wearing a hat and applying sunscreen is advisable.
Across the year, Ljubljana sees the strongest UV in Summer, peaking around 7.9463 in July. Plan sun protection accordingly.