September · United Kingdom
Best time to visit Cardiff in SeptemberWeather, crowds & prices
September score
6.7/10
Ranked #6 of 12 months
- Avg temp
- 15°C
- Rainfall
- 96 mm
- Humidity
- 85%
- Sunny days
- 6
- Crowd Density
- Moderate Crowds
- Average Expenses
- $$ · Moderate Cost ($$)
September in Cardiff scores 6.7/10 for sightseeing and cultural travel - an above-average month (#6 of 12). Expect around 15°C, 96 mm of rain, and roughly 6 sunny days this month.
Cardiff mixes a Victorian arcades core, Cardiff Castle, and bay regeneration with easy access to Welsh coast and valleys. Best window: late spring through early autumn.
Frequently asked
- What is the weather like in Cardiff in September?
- In September, Cardiff averages 15°C, 96 mm of rain, and about 6 sunny days. Its climate-comfort score is 6.7/10.
- Is September a good time to visit Cardiff?
- September earns a 6.7/10 climate-comfort score. Use the year-round chart to weigh the weather against your budget and crowd preferences.
- How much does it rain in Cardiff in September?
- Expect about 96 mm of rain in September. Average humidity is 85% and there are about 6 sunny days.
Curated in Cardiff
Tickets & experiences
Things to do in Cardiff
Cardiff, United Kingdom. Live activities and tours from GetYourGuide, matched to this destination.