Sanya UV index in September
Typical ultraviolet levels for Sanya during September, from the past year of data.
Extreme
Sanya
Extreme UV. Avoid sun exposure, seek shade, and use comprehensive protection: clothing, sunscreen, and a hat.
13.4
UV Index
September average
Low
Moderate
High
Very High
Extreme
September UV
13.4364
Risk level
Extreme
Yearly peak
13.973
Peak month
August
Sanya UV index — monthly trend
Average UV index by month over the past year, with September highlighted.
Visiting Sanya in September?
In September, Sanya's typical UV index is about 13.4364 — a extreme risk level. Extreme UV. Avoid sun exposure, seek shade, and use comprehensive protection: clothing, sunscreen, and a hat.
Across the year, Sanya sees the strongest UV in Summer, peaking around 13.973 in August. Plan sun protection accordingly.
