Dayton UV index in September
Typical ultraviolet levels for Dayton during September, from the past year of data.
High
Dayton
High UV. Avoid the sun during peak hours and wear protective clothing, sunscreen, and a hat.
7.3
UV Index
September average UTC
Low
Moderate
High
Very High
Extreme
September UV
7.3475
Risk level
High
Yearly peak
9.9893
Peak month
July
Dayton UV index — monthly trend
Average UV index by month over the past year, with September highlighted.
Visiting Dayton in September?
In September, Dayton's typical UV index is about 7.3475 — a high risk level. High UV. Avoid the sun during peak hours and wear protective clothing, sunscreen, and a hat.
Across the year, Dayton sees the strongest UV in Summer, peaking around 9.9893 in July. Plan sun protection accordingly.
