Vancouver weather in September 2025

Expect 23°C daytime maximum temperatures in the shade with on average 8 hours of sunshine per day in Vancouver in September. Check more long-term weather averages for Vancouver in September before you book your next holiday to Washington State in 2025/2026.

  • 23°C maximum daytime temperature in September in Vancouver23
    23°C max day temperature
  • 8 hours of sunshine per day
  • 8 days with some rainfall in September in Vancouver8
    8 days with some rainfall
  • 9°C minimum night-time temperature in September in Vancouver9
    9°C min night temperature
  • 12 hours of daylight per day in September in Vancouver12
    12 hours of daylight per day
  • No heat & humidity in September in Vancouver0
    No heat & humidity
  • 47 mm monthly rainfall in September in Vancouver47
    47 mm of monthly rainfall
  • UV (maximum) index 5 (Moderate) in September in Vancouver5
    5 (Moderate) UV index

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The September weather guide for Washington State (Vancouver) 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 the USA

How hot is it in Vancouver in September?

Daytime temperatures usually reach 23°C in Vancouver in September, falling to 9°C at night.

How sunny is it in Vancouver in September?

There are normally 8 hours of bright sunshine each day in Vancouver in September - that's 62% of daylight hours.

Does it rain in Vancouver in September?

There are usually 8 days with some rain in Vancouver in September and the average monthly rainfall is 47mm.

Vancouver September sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Monday, 1st September 2025 05:32 18:48
Monday, 15th September 2025 05:50 18:21
Tuesday, 30th September 2025 06:08 17:52

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