Prince Rupert weather in September 2025

Expect daytime maximum temperatures of 57°F in Prince Rupert, British Columbia in September based on long-term weather averages. There are 4 hours of sunshine per day on average with 20 days with some rainfall and typically 10.3 inches of rainfall in the month.

  • 57°F maximum daytime temperature in September in Prince Rupert57
    57°F max day temperature
  • 4 hours of sunshine per day
  • 20 days with some rainfall in September in Prince Rupert20
    20 days with some rainfall
  • 46°F minimum night-time temperature in September in Prince Rupert46
    46°F min night temperature
  • 13 hours of daylight per day in September in Prince Rupert13
    13 hours of daylight per day
  • No heat & humidity in September in Prince Rupert0
    No heat & humidity
  • 10.3 inches monthly rainfall in September in Prince Rupert10.3
    10.3 inches of monthly rainfall
  • UV (maximum) index 3 (Moderate) in September in Prince Rupert3
    3 (Moderate) UV index
  • 54°F sea temperature in September in Prince Rupert54
    54°F sea temperature

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The September weather guide for British Columbia (Prince Rupert) 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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How warm is it in Prince Rupert in September?

Daytime temperatures usually reach 57°F in Prince Rupert in September, falling to 46°F at night.

How sunny is it in Prince Rupert in September?

There are normally 4 hours of bright sunshine each day in Prince Rupert in September - that's 28% of daylight hours.

How warm is the sea around Prince Rupert in September?

The average sea temperature around Prince Rupert in September is 54°F.

Does it rain in Prince Rupert in September?

There are usually 20 days with some rain in Prince Rupert in September and the average monthly rainfall is 10.3 inches.

Prince Rupert September sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Monday, 1st September 2025 05:50 19:31
Monday, 15th September 2025 06:15 18:56
Tuesday, 30th September 2025 06:42 18:19

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