Rio de Janeiro UV index in September
Typical ultraviolet levels for Rio de Janeiro during September, from the past year of data.
Very High
Rio de Janeiro
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
10.5463
Risk level
Very High
Yearly peak
16.1393
Peak month
January
Rio de Janeiro UV index — monthly trend
Average UV index by month over the past year, with September highlighted.
Visiting Rio de Janeiro in September?
In September, Rio de Janeiro's typical UV index is about 10.5463 — 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, Rio de Janeiro sees the strongest UV in Winter, peaking around 16.1393 in January. Plan sun protection accordingly.
