Hartford UV index in September
Typical ultraviolet levels for Hartford during September, from the past year of data.
UV modéré. Protégez votre peau aux heures de midi ; il est conseillé de porter un chapeau et d’appliquer de la crème solaire.
September average UTC
Hartford UV index — monthly trend
Average UV index by month over the past year, with September highlighted.
Visiting Hartford in September?
In September, Hartford's typical UV index is about 5.5211 — a modéré risk level. UV modéré. Protégez votre peau aux heures de midi ; il est conseillé de porter un chapeau et d’appliquer de la crème solaire.
Across the year, Hartford sees the strongest UV in Summer, peaking around 7.6883 in July. Plan sun protection accordingly.