Hermosillo UV index in September
Typical ultraviolet levels for Hermosillo during September, from the past year of data.
Very high UV. Limit sun exposure, especially during midday; protective clothing, sunscreen, and a hat are essential.
September average UTC
Hermosillo UV index — monthly trend
Average UV index by month over the past year, with September highlighted.
Visiting Hermosillo in September?
In September, Hermosillo's typical UV index is about 9.5665 — a very high risk level. Very high UV. Limit sun exposure, especially during midday; protective clothing, sunscreen, and a hat are essential.
Across the year, Hermosillo sees the strongest UV in Summer, peaking around 11.424 in June. Plan sun protection accordingly.