Porthmadog weather in September 2024

Expect 61°F daytime maximum temperatures in the shade with on average 4 hours of sunshine per day in Porthmadog in September. Check more long-term weather averages for Porthmadog in September before you book your next holiday to Wales in 2024/2025.

  • 61°F maximum daytime temperature in September in Porthmadog61
    61°F max day temperature
  • 4 hours of sunshine per day
  • 16 days with some rainfall in September in Porthmadog16
    16 days with some rainfall
  • 48°F minimum night-time temperature in September in Porthmadog48
    48°F min night temperature
  • 13 hours of daylight per day in September in Porthmadog13
    13 hours of daylight per day
  • No heat & humidity in September in Porthmadog0
    No heat & humidity
  • 5.9 inches monthly rainfall in September in Porthmadog5.9
    5.9 inches of monthly rainfall
  • UV (maximum) index 4 (Moderate) in September in Porthmadog4
    4 (Moderate) UV index
  • 61°F sea temperature in September in Porthmadog61
    61°F sea temperature

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Porthmadog by month

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The September weather guide for Wales (Porthmadog) 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)

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More about Wales

How warm is it in Porthmadog in September?

Daytime temperatures usually reach 61°F in Porthmadog in September, falling to 48°F at night.

How sunny is it in Porthmadog in September?

There are normally 4 hours of bright sunshine each day in Porthmadog in September - that's 32% of daylight hours.

How warm is the sea around Porthmadog in September?

The average sea temperature around Porthmadog in September is 61°F.

Does it rain in Porthmadog in September?

There are usually 16 days with some rain in Porthmadog in September and the average monthly rainfall is 5.9 inches.

Porthmadog September sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Sunday, 1st September 2024 06:27 20:04
Sunday, 15th September 2024 06:51 19:31
Monday, 30th September 2024 07:17 18:55

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