Fishguard weather in September 2025

Expect daytime maximum temperatures of 16°C in Fishguard, Wales in September based on long-term weather averages. There are 5 hours of sunshine per day on average with 15 days with some rainfall and typically 97 mm of rainfall in the month.

  • 16°C maximum daytime temperature in September in Fishguard16
    16°C max day temperature
  • 5 hours of sunshine per day
  • 15 days with some rainfall in September in Fishguard15
    15 days with some rainfall
  • 11°C minimum night-time temperature in September in Fishguard11
    11°C min night temperature
  • 13 hours of daylight per day in September in Fishguard13
    13 hours of daylight per day
  • No heat & humidity in September in Fishguard0
    No heat & humidity
  • 97 mm monthly rainfall in September in Fishguard97
    97 mm of monthly rainfall
  • UV (maximum) index 4 (Moderate) in September in Fishguard4
    4 (Moderate) UV index
  • 16°C sea temperature in September in Fishguard16
    16°C sea temperature

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The September weather guide for Wales (Fishguard) 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)

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More about Wales

How warm is it in Fishguard in September?

Daytime temperatures usually reach 16°C in Fishguard in September, falling to 11°C at night.

How sunny is it in Fishguard in September?

There are normally 5 hours of bright sunshine each day in Fishguard in September - that's 38% of daylight hours.

How warm is the sea around Fishguard in September?

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

Does it rain in Fishguard in September?

There are usually 15 days with some rain in Fishguard in September and the average monthly rainfall is 97mm.

Fishguard September sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Monday, 1st September 2025 05:32 19:07
Monday, 15th September 2025 05:55 18:34
Tuesday, 30th September 2025 06:19 17:59

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