Yokohama UV index in September
Typical ultraviolet levels for Yokohama during September, from the past year of data.
High
Yokohama
High UV. Avoid the sun during peak hours and wear protective clothing, sunscreen, and a hat.
7.7
UV Index
September average UTC
Low
Moderate
High
Very High
Extreme
September UV
7.6775
Risk level
High
Yearly peak
9.8652
Peak month
July
Yokohama UV index — monthly trend
Average UV index by month over the past year, with September highlighted.
Visiting Yokohama in September?
In September, Yokohama's typical UV index is about 7.6775 — a high risk level. High UV. Avoid the sun during peak hours and wear protective clothing, sunscreen, and a hat.
Across the year, Yokohama sees the strongest UV in Summer, peaking around 9.8652 in July. Plan sun protection accordingly.
