Santa Cruz UV index in September
Typical ultraviolet levels for Santa Cruz during September, from the past year of data.
Extreme
Santa Cruz
Extreme UV. Avoid sun exposure, seek shade, and use comprehensive protection: clothing, sunscreen, and a hat.
12.6
UV Index
September average UTC
Low
Moderate
High
Very High
Extreme
September UV
12.6204
Risk level
Extreme
Yearly peak
16.6243
Peak month
February
Santa Cruz UV index — monthly trend
Average UV index by month over the past year, with September highlighted.
Visiting Santa Cruz in September?
In September, Santa Cruz's typical UV index is about 12.6204 — a extreme risk level. Extreme UV. Avoid sun exposure, seek shade, and use comprehensive protection: clothing, sunscreen, and a hat.
Across the year, Santa Cruz sees the strongest UV in Winter, peaking around 16.6243 in February. Plan sun protection accordingly.
