Saint Denis UV index in September
Typical ultraviolet levels for Saint Denis during September, from the past year of data.
Very High
Saint Denis
Very high UV. Limit sun exposure, especially during midday; protective clothing, sunscreen, and a hat are essential.
10.5
UV Index
September average UTC
Low
Moderate
High
Very High
Extreme
September UV
10.5156
Risk level
Very High
Yearly peak
15.2317
Peak month
December
Saint Denis UV index — monthly trend
Average UV index by month over the past year, with September highlighted.
Visiting Saint Denis in September?
In September, Saint Denis's typical UV index is about 10.5156 — 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, Saint Denis sees the strongest UV in Winter, peaking around 15.2317 in December. Plan sun protection accordingly.
