Wales weather in September 2024

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

  • 64°F maximum daytime temperature in September in Wales (Cardiff)64
    64°F max day temperature
  • 5 hours of sunshine per day
  • 15 days with some rainfall in September in Wales (Cardiff)15
    15 days with some rainfall
  • 50°F minimum night-time temperature in September in Wales (Cardiff)50
    50°F min night temperature
  • 13 hours of daylight per day in September in Wales (Cardiff)13
    13 hours of daylight per day
  • No heat & humidity in September in Wales (Cardiff)0
    No heat & humidity
  • 3.6 inches monthly rainfall in September in Wales (Cardiff)3.6
    3.6 inches of monthly rainfall
  • UV (maximum) index 4 (Moderate) in September in Wales (Cardiff)4
    4 (Moderate) UV index
  • 63°F sea temperature in September in Wales (Cardiff)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.

Top Wales destinations

Below are average maximum temperatures at popular countries, regions and places in Wales in September. Select a holiday destination to see more weather parameters.

All Wales regions

All Wales destinations

Metric (°C)  |  Imperial (°F)

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More about Wales

How hot is it in Wales in September?

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

How sunny is it in Wales in September?

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

How warm is the sea around Wales in September?

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

Does it rain in Wales in September?

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

Wales September sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

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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