Los Angeles UV index in September
Typical ultraviolet levels for Los Angeles during September, from the past year of data.
High UV. Avoid the sun during peak hours and wear protective clothing, sunscreen, and a hat.
September average
Los Angeles UV index — monthly trend
Average UV index by month over the past year, with September highlighted.
Visiting Los Angeles in September?
In September, Los Angeles's typical UV index is about 7.9045 — a high risk level. High UV. Avoid the sun during peak hours and wear protective clothing, sunscreen, and a hat.
Across the year, Los Angeles sees the strongest UV in Summer, peaking around 10.0406 in June. Plan sun protection accordingly.