Blanc-Sablon weather in September 2025

Expect 12°C daytime maximum temperatures in the shade with on average 4 hours of sunshine per day in Blanc-Sablon in September. Check more long-term weather averages for Blanc-Sablon in September before you book your next holiday to Quebec in 2025/2026.

  • 12°C maximum daytime temperature in September in Blanc-Sablon12
    12°C max day temperature
  • 4 hours of sunshine per day
  • 15 days with some rainfall in September in Blanc-Sablon15
    15 days with some rainfall
  • 5°C minimum night-time temperature in September in Blanc-Sablon5
    5°C min night temperature
  • 13 hours of daylight per day in September in Blanc-Sablon13
    13 hours of daylight per day
  • No heat & humidity in September in Blanc-Sablon0
    No heat & humidity
  • 94 mm monthly rainfall in September in Blanc-Sablon94
    94 mm of monthly rainfall
  • UV (maximum) index 4 (Moderate) in September in Blanc-Sablon4
    4 (Moderate) UV index
  • 11°C sea temperature in September in Blanc-Sablon11
    11°C sea temperature

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Blanc-Sablon by month

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The September weather guide for Quebec (Blanc-Sablon) 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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How warm is it in Blanc-Sablon in September?

Daytime temperatures usually reach 12°C in Blanc-Sablon in September, falling to 5°C at night.

How sunny is it in Blanc-Sablon in September?

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

Is the sea cold around Blanc-Sablon in September?

The average sea temperature around Blanc-Sablon in September is 11°C.

Does it rain in Blanc-Sablon in September?

There are usually 15 days with some rain in Blanc-Sablon in September and the average monthly rainfall is 94mm.

Blanc-Sablon September sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Monday, 1st September 2025 05:02 18:34
Monday, 15th September 2025 05:24 18:02
Tuesday, 30th September 2025 05:48 17:28

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