Stranraer weather in September 2025

Expect daytime maximum temperatures of 15°C in Stranraer, Scotland in September based on long-term weather averages. There are 4 hours of sunshine per day on average with 18 days with some rainfall and typically 125 mm of rainfall in the month.

  • 15°C maximum daytime temperature in September in Stranraer15
    15°C max day temperature
  • 4 hours of sunshine per day
  • 18 days with some rainfall in September in Stranraer18
    18 days with some rainfall
  • 9°C minimum night-time temperature in September in Stranraer9
    9°C min night temperature
  • 13 hours of daylight per day in September in Stranraer13
    13 hours of daylight per day
  • No heat & humidity in September in Stranraer0
    No heat & humidity
  • 125 mm monthly rainfall in September in Stranraer125
    125 mm of monthly rainfall
  • UV (maximum) index 3 (Moderate) in September in Stranraer3
    3 (Moderate) UV index
  • 14°C sea temperature in September in Stranraer14
    14°C sea temperature

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The September weather guide for Scotland (Stranraer) 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 Scotland

How warm is it in Stranraer in September?

Daytime temperatures usually reach 15°C in Stranraer in September, falling to 9°C at night.

How sunny is it in Stranraer in September?

There are normally 4 hours of bright sunshine each day in Stranraer in September - that's 30% of daylight hours.

How warm is the sea around Stranraer in September?

The average sea temperature around Stranraer in September is 14°C.

Does it rain in Stranraer in September?

There are usually 18 days with some rain in Stranraer in September and the average monthly rainfall is 125mm.

Stranraer September sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Monday, 1st September 2025 05:27 19:12
Monday, 15th September 2025 05:53 18:36
Tuesday, 30th September 2025 06:21 17:58

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