Bellingham weather in September 2024

Expect 19°C daytime maximum temperatures in the shade with on average 6 hours of sunshine per day in Bellingham in September. Check more long-term weather averages for Bellingham in September before you book your next holiday to Washington State in 2024/2025.

  • 19°C maximum daytime temperature in September in Bellingham19
    19°C max day temperature
  • 6 hours of sunshine per day
  • 10 days with some rainfall in September in Bellingham10
    10 days with some rainfall
  • 9°C minimum night-time temperature in September in Bellingham9
    9°C min night temperature
  • 13 hours of daylight per day in September in Bellingham13
    13 hours of daylight per day
  • No heat & humidity in September in Bellingham0
    No heat & humidity
  • 67 mm monthly rainfall in September in Bellingham67
    67 mm of monthly rainfall
  • UV (maximum) index 5 (Moderate) in September in Bellingham5
    5 (Moderate) UV index
  • 12°C sea temperature in September in Bellingham12
    12°C sea temperature

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The September weather guide for Washington State (Bellingham) 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 Bellingham in September?

Daytime temperatures usually reach 19°C in Bellingham in September, falling to 9°C at night.

How sunny is it in Bellingham in September?

There are normally 6 hours of bright sunshine each day in Bellingham in September - that's 49% of daylight hours.

How warm is the sea around Bellingham in September?

The average sea temperature around Bellingham in September is 12°C.

Does it rain in Bellingham in September?

There are usually 10 days with some rain in Bellingham in September and the average monthly rainfall is 67mm.

Bellingham September sunrise & sunset times

Browse the sunrise and sunset times for Bellingham in September 2024. Select a month to view Bellingham sunrise and sunset times for the next 12 months.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Sunday, 1st September 2024 06:28 19:51
Sunday, 15th September 2024 06:48 19:21
Monday, 30th September 2024 07:09 18:49

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