Camarthen weather in September 2025

Expect daytime maximum temperatures of 63°F in Camarthen, 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 5.0 inches of rainfall in the month.

  • 63°F maximum daytime temperature in September in Camarthen63
    63°F max day temperature
  • 4 hours of sunshine per day
  • 16 days with some rainfall in September in Camarthen16
    16 days with some rainfall
  • 48°F minimum night-time temperature in September in Camarthen48
    48°F 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
  • 5.0 inches monthly rainfall in September in Camarthen5.0
    5.0 inches 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)  |  Imperial (°F)

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More about Wales

How warm is it in Camarthen in September?

Daytime temperatures usually reach 63°F in Camarthen in September, falling to 48°F 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 5.0 inches.

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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