Indianapolis UV index in September
Typical ultraviolet levels for Indianapolis 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
Indianapolis UV index — monthly trend
Average UV index by month over the past year, with September highlighted.
Visiting Indianapolis in September?
In September, Indianapolis's typical UV index is about 7.3785 — a high risk level. High UV. Avoid the sun during peak hours and wear protective clothing, sunscreen, and a hat.
Across the year, Indianapolis sees the strongest UV in Summer, peaking around 10.0306 in July. Plan sun protection accordingly.