Las Vegas UV index in September
Typical ultraviolet levels for Las Vegas 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
Las Vegas UV index — monthly trend
Average UV index by month over the past year, with September highlighted.
Visiting Las Vegas in September?
In September, Las Vegas's typical UV index is about 7.6778 — a high risk level. High UV. Avoid the sun during peak hours and wear protective clothing, sunscreen, and a hat.
Across the year, Las Vegas sees the strongest UV in Summer, peaking around 9.9997 in July. Plan sun protection accordingly.