Cardiff weather in September 2024

Expect 64°F daytime maximum temperatures in the shade with on average 5 hours of sunshine per day in Cardiff in September. Check more long-term weather averages for Cardiff in September before you book your next holiday to Wales in 2024/2025.

64
64°F max day temperature
5
5 hours of sunshine per day
15
15 days with some rainfall
50
50°F min night temperature
13
13 hours of daylight per day
0
No heat & humidity
3.6
3.6 inches of monthly rainfall
4
4 (Moderate) UV index
63
63°F sea temperature

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The September weather guide for Wales (Cardiff) shows long term weather averages processed from data supplied by CRU (University of East Anglia), the Met Office & the Netherlands Meteorological Institute. Find out more about our data sources.

Metric (°C) | Imperial (°F)

More about Wales

How hot is it in Cardiff in September?

Daytime temperatures usually reach 64°F in Cardiff in September, falling to 50°F at night.

How sunny is it in Cardiff in September?

There are normally 5 hours of bright sunshine each day in Cardiff in September - that's 37% of daylight hours.

How warm is the sea around Cardiff in September?

The average sea temperature around Cardiff in September is 63°F.

Does it rain in Cardiff in September?

There are usually 15 days with some rain in Cardiff in September and the average monthly rainfall is 3.6 inches.

Cardiff September sunrise & sunset times

Browse the sunrise and sunset times for Cardiff in September 2024. Select a month to view Cardiff sunrise and sunset times for the next 12 months.

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Date	Sunrise times	Sunset times
Sunday, 1st September 2024	06:26	19:58
Sunday, 15th September 2024	06:48	19:26
Monday, 30th September 2024	07:12	18:52

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