Monterrey UV index in September
Typical ultraviolet levels for Monterrey during September, from the past year of data.
Extreme
Monterrey
Extreme UV. Avoid sun exposure, seek shade, and use comprehensive protection: clothing, sunscreen, and a hat.
11.1
UV Index
September average UTC
Low
Moderate
High
Very High
Extreme
September UV
11.1345
Risk level
Extreme
Yearly peak
12.6411
Peak month
July
Monterrey UV index — monthly trend
Average UV index by month over the past year, with September highlighted.
Visiting Monterrey in September?
In September, Monterrey's typical UV index is about 11.1345 — a extreme risk level. Extreme UV. Avoid sun exposure, seek shade, and use comprehensive protection: clothing, sunscreen, and a hat.
Across the year, Monterrey sees the strongest UV in Summer, peaking around 12.6411 in July. Plan sun protection accordingly.
