The Valley UV index in September
Typical ultraviolet levels for The Valley during September, from the past year of data.
Extreme
The Valley
Extreme UV. Avoid sun exposure, seek shade, and use comprehensive protection: clothing, sunscreen, and a hat.
13.3
UV Index
September average UTC
Low
Moderate
High
Very High
Extreme
September UV
13.3229
Risk level
Extreme
Yearly peak
13.973
Peak month
August
The Valley UV index — monthly trend
Average UV index by month over the past year, with September highlighted.
Visiting The Valley in September?
In September, The Valley's typical UV index is about 13.3229 — a extreme risk level. Extreme UV. Avoid sun exposure, seek shade, and use comprehensive protection: clothing, sunscreen, and a hat.
Across the year, The Valley sees the strongest UV in Summer, peaking around 13.973 in August. Plan sun protection accordingly.
