Rhyl weather in September 2025

Expect daytime maximum temperatures of 63°F in Rhyl, 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 2.8 inches of rainfall in the month.

  • 63°F maximum daytime temperature in September in Rhyl63
    63°F max day temperature
  • 4 hours of sunshine per day
  • 16 days with some rainfall in September in Rhyl16
    16 days with some rainfall
  • 50°F minimum night-time temperature in September in Rhyl50
    50°F min night temperature
  • 13 hours of daylight per day in September in Rhyl13
    13 hours of daylight per day
  • No heat & humidity in September in Rhyl0
    No heat & humidity
  • 2.8 inches monthly rainfall in September in Rhyl2.8
    2.8 inches of monthly rainfall
  • UV (maximum) index 4 (Moderate) in September in Rhyl4
    4 (Moderate) UV index
  • 61°F sea temperature in September in Rhyl61
    61°F sea temperature

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The September weather guide for Wales (Rhyl) 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 Rhyl in September?

Daytime temperatures usually reach 63°F in Rhyl in September, falling to 50°F at night.

How sunny is it in Rhyl in September?

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

How warm is the sea around Rhyl in September?

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

Does it rain in Rhyl in September?

There are usually 16 days with some rain in Rhyl in September and the average monthly rainfall is 2.8 inches.

Rhyl September sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Monday, 1st September 2025 05:24 19:03
Monday, 15th September 2025 05:48 18:29
Tuesday, 30th September 2025 06:14 17:53

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