Serra UV index in September
Typical ultraviolet levels for Serra during September, from the past year of data.
Extreme
Serra
Extreme UV. Avoid sun exposure, seek shade, and use comprehensive protection: clothing, sunscreen, and a hat.
12.1
UV Index
September average UTC
Low
Moderate
High
Very High
Extreme
September UV
12.0709
Risk level
Extreme
Yearly peak
17.023
Peak month
December
Serra UV index — monthly trend
Average UV index by month over the past year, with September highlighted.
Visiting Serra in September?
In September, Serra's typical UV index is about 12.0709 — a extreme risk level. Extreme UV. Avoid sun exposure, seek shade, and use comprehensive protection: clothing, sunscreen, and a hat.
Across the year, Serra sees the strongest UV in Winter, peaking around 17.023 in December. Plan sun protection accordingly.
