Niigata UV index in September
Typical ultraviolet levels for Niigata during September, from the past year of data.
High
Niigata
High UV. Avoid the sun during peak hours and wear protective clothing, sunscreen, and a hat.
7.4
UV Index
September average
Low
Moderate
High
Very High
Extreme
September UV
7.4303
Risk level
High
Yearly peak
9.8141
Peak month
July
Niigata UV index — monthly trend
Average UV index by month over the past year, with September highlighted.
Visiting Niigata in September?
In September, Niigata's typical UV index is about 7.4303 — a high risk level. High UV. Avoid the sun during peak hours and wear protective clothing, sunscreen, and a hat.
Across the year, Niigata sees the strongest UV in Summer, peaking around 9.8141 in July. Plan sun protection accordingly.
