Caerdydd UV index in September
Typical ultraviolet levels for Caerdydd during September, from the past year of data.
Moderate
Caerdydd
Moderate UV. Protect your skin during midday hours; wearing a hat and applying sunscreen is advisable.
4.9
UV Index
September average UTC
Low
Moderate
High
Very High
Extreme
September UV
4.9212
Risk level
Moderate
Yearly peak
8.0988
Peak month
July
Caerdydd UV index — monthly trend
Average UV index by month over the past year, with September highlighted.
Visiting Caerdydd in September?
In September, Caerdydd's typical UV index is about 4.9212 — a moderate risk level. Moderate UV. Protect your skin during midday hours; wearing a hat and applying sunscreen is advisable.
Across the year, Caerdydd sees the strongest UV in Summer, peaking around 8.0988 in July. Plan sun protection accordingly.