Columbia UV index in September
Typical ultraviolet levels for Columbia during September, from the past year of data.
Very High
Columbia
Very high UV. Limit sun exposure, especially during midday; protective clothing, sunscreen, and a hat are essential.
8.5
UV Index
September average
Low
Moderate
High
Very High
Extreme
September UV
8.524
Risk level
Very High
Yearly peak
10.6911
Peak month
July
Columbia UV index — monthly trend
Average UV index by month over the past year, with September highlighted.
Visiting Columbia in September?
In September, Columbia's typical UV index is about 8.524 — 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, Columbia sees the strongest UV in Summer, peaking around 10.6911 in July. Plan sun protection accordingly.
