Camarthen weather in September 2025

Expect 17°C daytime maximum temperatures in the shade with on average 4 hours of sunshine per day in Camarthen in September. Check more long-term weather averages for Camarthen in September before you book your next holiday to Wales in 2025/2026.

  • 17°C maximum daytime temperature in September in Camarthen17
    17°C max day temperature
  • 4 hours of sunshine per day
  • 16 days with some rainfall in September in Camarthen16
    16 days with some rainfall
  • 9°C minimum night-time temperature in September in Camarthen9
    9°C min night temperature
  • 13 hours of daylight per day in September in Camarthen13
    13 hours of daylight per day
  • No heat & humidity in September in Camarthen0
    No heat & humidity
  • 127 mm monthly rainfall in September in Camarthen127
    127 mm of monthly rainfall
  • UV (maximum) index 4 (Moderate) in September in Camarthen4
    4 (Moderate) UV index

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

Daytime temperatures usually reach 17°C in Camarthen in September, falling to 9°C at night.

How sunny is it in Camarthen in September?

There are normally 4 hours of bright sunshine each day in Camarthen in September - that's 34% of daylight hours.

Does it rain in Camarthen in September?

There are usually 16 days with some rain in Camarthen in September and the average monthly rainfall is 127mm.

Camarthen September sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Monday, 1st September 2025 05:30 19:04
Monday, 15th September 2025 05:52 18:32
Tuesday, 30th September 2025 06:17 17:57

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