Lyon UV index in September
Typical ultraviolet levels for Lyon during September, from the past year of data.
Moderate
Lyon
Moderate UV. Protect your skin during midday hours; wearing a hat and applying sunscreen is advisable.
5.8
UV Index
September average
Low
Moderate
High
Very High
Extreme
September UV
5.8202
Risk level
Moderate
Yearly peak
8.6478
Peak month
July
Lyon UV index — monthly trend
Average UV index by month over the past year, with September highlighted.
Visiting Lyon in September?
In September, Lyon's typical UV index is about 5.8202 — a moderate risk level. Moderate UV. Protect your skin during midday hours; wearing a hat and applying sunscreen is advisable.
Across the year, Lyon sees the strongest UV in Summer, peaking around 8.6478 in July. Plan sun protection accordingly.
