Detroit UV index in September
Typical ultraviolet levels for Detroit during September, from the past year of data.
High
Detroit
High UV. Avoid the sun during peak hours and wear protective clothing, sunscreen, and a hat.
6.4
UV Index
September average
Low
Moderate
High
Very High
Extreme
September UV
6.367
Risk level
High
Yearly peak
9.019
Peak month
July
Detroit UV index — monthly trend
Average UV index by month over the past year, with September highlighted.
Visiting Detroit in September?
In September, Detroit's typical UV index is about 6.367 — a high risk level. High UV. Avoid the sun during peak hours and wear protective clothing, sunscreen, and a hat.
Across the year, Detroit sees the strongest UV in Summer, peaking around 9.019 in July. Plan sun protection accordingly.
