Tenby weather in September 2025

Expect 63°F daytime maximum temperatures in the shade with on average 5 hours of sunshine per day in Tenby in September. Check more long-term weather averages for Tenby in September before you book your next holiday to Wales in 2025/2026.

  • 63°F maximum daytime temperature in September in Tenby63
    63°F max day temperature
  • 5 hours of sunshine per day
  • 15 days with some rainfall in September in Tenby15
    15 days with some rainfall
  • 52°F minimum night-time temperature in September in Tenby52
    52°F min night temperature
  • 13 hours of daylight per day in September in Tenby13
    13 hours of daylight per day
  • No heat & humidity in September in Tenby0
    No heat & humidity
  • 3.3 inches monthly rainfall in September in Tenby3.3
    3.3 inches of monthly rainfall
  • UV (maximum) index 4 (Moderate) in September in Tenby4
    4 (Moderate) UV index
  • 61°F sea temperature in September in Tenby61
    61°F sea temperature

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

Daytime temperatures usually reach 63°F in Tenby in September, falling to 52°F at night.

How sunny is it in Tenby in September?

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

How warm is the sea around Tenby in September?

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

Does it rain in Tenby in September?

There are usually 15 days with some rain in Tenby in September and the average monthly rainfall is 3.3 inches.

Tenby September sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Monday, 1st September 2025 05:31 19:05
Monday, 15th September 2025 05:54 18:33
Tuesday, 30th September 2025 06:18 17:58

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