Pwllheli weather in September 2025

Expect daytime maximum temperatures of 16°C in Pwllheli, Wales in September based on long-term weather averages. There are 4 hours of sunshine per day on average with 16 days with some rainfall and typically 126 mm of rainfall in the month.

  • 16°C maximum daytime temperature in September in Pwllheli16
    16°C max day temperature
  • 4 hours of sunshine per day
  • 16 days with some rainfall in September in Pwllheli16
    16 days with some rainfall
  • 10°C minimum night-time temperature in September in Pwllheli10
    10°C min night temperature
  • 13 hours of daylight per day in September in Pwllheli13
    13 hours of daylight per day
  • No heat & humidity in September in Pwllheli0
    No heat & humidity
  • 126 mm monthly rainfall in September in Pwllheli126
    126 mm of monthly rainfall
  • UV (maximum) index 4 (Moderate) in September in Pwllheli4
    4 (Moderate) UV index
  • 16°C sea temperature in September in Pwllheli16
    16°C sea temperature

More about Pwllheli

Pwllheli by month

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

Recommended for Wales

Away Resorts: Weekend break deals

  • Book weekend breaks with Away Resorts
  • Discover stays in Dorset, Essex & beyond
  • Travel before 31st December 2025 (inclusive)
Go to Away Resorts deal >>

Expires at 23:59 on Sunday 31st Aug 2025 · View all Away Resorts offers

The September weather guide for Wales (Pwllheli) 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 / mm)  |  Imperial (°F / inches)

Back to top

More about Wales

How warm is it in Pwllheli in September?

Daytime temperatures usually reach 16°C in Pwllheli in September, falling to 10°C at night.

How sunny is it in Pwllheli in September?

There are normally 4 hours of bright sunshine each day in Pwllheli in September - that's 33% of daylight hours.

How warm is the sea around Pwllheli in September?

The average sea temperature around Pwllheli in September is 16°C.

Does it rain in Pwllheli in September?

There are usually 16 days with some rain in Pwllheli in September and the average monthly rainfall is 126mm.

Pwllheli September sunrise & sunset times

Browse the sunrise and sunset times for Pwllheli in September 2025. Select a month to view Pwllheli sunrise and sunset times for the next 12 months.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Monday, 1st September 2025 05:28 19:06
Monday, 15th September 2025 05:52 18:33
Tuesday, 30th September 2025 06:18 17:57

Related posts

Popular travel offers

Explore holidays in the sun for less

More holidays

Airport parking

More parking

Airport lounges

More lounges

Top ^