The climate of Cardiff in September is humid. An average of 45 mm precipitation is recorded over 13 days. The situation is drier than the previous month: in August, the average recorded is 70 mm over 18 days.
Temperatures are rather cool in Cardiff in September, but remain tolerable with appropriate clothing. The average maximum temperature reaches 18°C, while the minimum falls to about 12°C. The month's average temperature is 15°C. These normals should be compared with the records recorded in Cardiff in September: 27°C as a maximum in 2021 and 4°C as a minimum in 2010. We can expect about 14 days with temperatures above 18°, i.e. 47% of the month.
In September, the days last on average 12:39 in Cardiff. The sun rises around 05:48 and sets around 18:27.
With favorable weather, the month of September is a good month to travel to Cardiff in Wales.
In September, the most favorable activities in Cardiff are: Beach and swimming, Cultural visits and heritage, Family and attractions, Nature and landscapes, Nightlife, Gastronomy and Boat trip and cruise.
