Santiago UV index in September
Typical ultraviolet levels for Santiago during September, from the past year of data.
High UV. Avoid the sun during peak hours and wear protective clothing, sunscreen, and a hat.
September average
Santiago UV index — monthly trend
Average UV index by month over the past year, with September highlighted.
Visiting Santiago in September?
In September, Santiago's typical UV index is about 6.6559 — a high risk level. High UV. Avoid the sun during peak hours and wear protective clothing, sunscreen, and a hat.
Across the year, Santiago sees the strongest UV in Winter, peaking around 13.6214 in January. Plan sun protection accordingly.