Kumamoto UV index in September
Typical ultraviolet levels for Kumamoto during September, from the past year of data.
Very High
Kumamoto
Very high UV. Limit sun exposure, especially during midday; protective clothing, sunscreen, and a hat are essential.
9.2
UV Index
September average
Low
Moderate
High
Very High
Extreme
September UV
9.2053
Risk level
Very High
Yearly peak
11.4034
Peak month
July
Kumamoto UV index — monthly trend
Average UV index by month over the past year, with September highlighted.
Visiting Kumamoto in September?
In September, Kumamoto's typical UV index is about 9.2053 — a very high risk level. Very high UV. Limit sun exposure, especially during midday; protective clothing, sunscreen, and a hat are essential.
Across the year, Kumamoto sees the strongest UV in Summer, peaking around 11.4034 in July. Plan sun protection accordingly.
