Tokyo UV index in September
Typical ultraviolet levels for Tokyo during September, from the past year of data.
High
Tokyo
High UV. Avoid the sun during peak hours and wear protective clothing, sunscreen, and a hat.
7.5
UV Index
September average UTC
Low
Moderate
High
Very High
Extreme
September UV
7.5434
Risk level
High
Yearly peak
9.7001
Peak month
July
Tokyo UV index — monthly trend
Average UV index by month over the past year, with September highlighted.
Visiting Tokyo in September?
In September, Tokyo's typical UV index is about 7.5434 — a high risk level. High UV. Avoid the sun during peak hours and wear protective clothing, sunscreen, and a hat.
Across the year, Tokyo sees the strongest UV in Summer, peaking around 9.7001 in July. Plan sun protection accordingly.