Haverfordwest weather in September 2025

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

  • 63°F maximum daytime temperature in September in Haverfordwest63
    63°F max day temperature
  • 5 hours of sunshine per day
  • 15 days with some rainfall in September in Haverfordwest15
    15 days with some rainfall
  • 52°F minimum night-time temperature in September in Haverfordwest52
    52°F min night temperature
  • 13 hours of daylight per day in September in Haverfordwest13
    13 hours of daylight per day
  • No heat & humidity in September in Haverfordwest0
    No heat & humidity
  • 3.0 inches monthly rainfall in September in Haverfordwest3.0
    3.0 inches of monthly rainfall
  • UV (maximum) index 4 (Moderate) in September in Haverfordwest4
    4 (Moderate) UV index

More about Haverfordwest

Haverfordwest by month

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

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

How sunny is it in Haverfordwest in September?

There are normally 5 hours of bright sunshine each day in Haverfordwest in September - that's 39% of daylight hours.

Does it rain in Haverfordwest in September?

There are usually 15 days with some rain in Haverfordwest in September and the average monthly rainfall is 3.0 inches.

Haverfordwest September sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

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

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