Seattle Weather September Averages, USA

    • Temperature Temperature 16°C 61°F
    • High Temperature Holiday Weather 20°C 68°F
    • Low Temperature Holiday Weather 11°C 52°F
    • Sunshine Hours Sunshine Hours 7 hrs
    • Rainfall Rainfall 51 mm
    • Rainfall days Rainfall days 9 days
    • Sea Temperature Sea Temperature 13°C 55°F

    Seattle Weather for September 2020

    September in Seattle is the beginning of autumn.

    The lovely summer weather is ending in September, and the weather begins to take a turn for the worse from this month on, with less sun seen and cooler temperatures.

    The average daily temperature expected in Seattle in this month is 20°C (68°F), dropping to an average temperature of 11°C (52°F).

    Seattle sees up to 7 hours of sunshine per day throughout the month.

    The average expectation for rain fall for this month is 51 mm over 9 days.

    Seattle in this month expects an average of 0 days of snow or foggy weather.

    The average temperature of the sea during this month is 13°C (55°F).

    There's still plenty to do in Seattle through September though.

    Football season is kicking off again, in September, with the NFL and college football seasons starting. Book your tickets to get a glimpse of your favourite teams playing, sports fans.

    It may not be summer in the city anymore, but the days in Seattle are still warm in September, so sight seeing on foot is still a viable option, without fearing getting soaked.

    The Native American flute is celebrated in Seattle with Flute Quest in September. The three day event holds open mic events, workshops and live programs, with artisans, musicians and vendors coming together for the festivities.

    Oktoberfest is celebrated in the Fremont area, with Fremont Oktoberfest. The 70 different types of beers on offer, at various beer gardens, are just some of the attractions of this event.

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