Tucson UV index in September
Typical ultraviolet levels for Tucson during September, from the past year of data.
Very High
Tucson
Very high UV. Limit sun exposure, especially during midday; protective clothing, sunscreen, and a hat are essential.
9
UV Index
September average UTC
Low
Moderate
High
Very High
Extreme
September UV
9.0298
Risk level
Very High
Yearly peak
11.1867
Peak month
July
Tucson UV index — monthly trend
Average UV index by month over the past year, with September highlighted.
Visiting Tucson in September?
In September, Tucson's typical UV index is about 9.0298 — a very high risk level. Very high UV. Limit sun exposure, especially during midday; protective clothing, sunscreen, and a hat are essential.
Across the year, Tucson sees the strongest UV in Summer, peaking around 11.1867 in July. Plan sun protection accordingly.
