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.

September average

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.

How this is calculated

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.