Las Vegas UV index in September
Typical ultraviolet levels for Las Vegas during September, from the past year of data.
High
Las Vegas
High UV. Avoid the sun during peak hours and wear protective clothing, sunscreen, and a hat.
7.7
UV Index
September average UTC
Low
Moderate
High
Very High
Extreme
September UV
7.6778
Risk level
High
Yearly peak
9.9997
Peak month
July
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.