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Seattle Weather in October, USA

Slide and Tap Other Months

  • What is Average Temperature?
    The average high temperature and the average low temperature for that month, on a daily basis, divided by 2 equals the average temperature for that month

    Temperature

    12°C
    54°F
  • What is Average High Low Temperature?
    The sum of high temperatures/low temperatures divided by the number of days in that month, recorded daily

    High Temperature

    16°C
    61°F
  • What is Average High Low Temperature?
    The sum of high temperatures/low temperatures divided by the number of days in that month, recorded daily

    Low Temperature

    8°C
    46°F
  • What is Average Sea Temperature?
    Average daily sea temperatures and divided by the number of days in the month. Sea Temperatures are taken from buoys, ships and even satellites can calculate sea temperature based on energy that is radiated from the sea's surface

    Sea Temperature

    11°C
    52°F
  • What are Average Daily Sunshine Hours?
    Total sunshine hours for the month, divided by the number of days in the month. Sunshine hours are taken with a sunshine recorder, either a Campbell-Stokes recorder or an Eppley Pyreheliometer

    Sunshine Hours

    5 hours
  • What is Average Rainfall?
    The amount of mm in rain for that month divided by the number of days, and the number of days that it rains during that month on average, over a given period of years

    Rainfall Days

    13 days
  • What is Average Rainfall?
    The amount of mm in rain for that month divided by the number of days, and the number of days that it rains during that month on average, over a given period of years

    Rainfall

    90 mm

October, 2025

Sun
Mon
Tue
Wed
1 Avg 14º 57º
Thu
2 Avg 13º 55º
Fri
3 Avg 13º 55º
Sat
4 Avg 13º 55º
5 Avg 14º 57º
6 Avg 14º 57º
7 Avg 14º 57º
8 Avg 13º 55º
9 Avg 13º 55º
10 Avg 12º 54º
11 Avg 12º 54º
12 Avg 12º 54º
13 Avg 13º 55º
14 Avg 12º 54º
15 Avg 12º 54º
16 Avg 12º 54º
17 Avg 13º 55º
18 Avg 12º 54º
19 Avg 12º 54º
20 Avg 12º 54º
21 Avg 12º 54º
22 Avg 12º 54º
23 Avg 11º 52º
24 Avg 10º 50º
25 Avg 10º 50º
26 Avg 10º 50º
27 Avg 10º 50º
28 Avg 10º 50º
29
30
31
  • 9

    48

    Hour 7

    7:00

  • Sunset

    07:48

  • 10

    50

    Hour 8

    8:00

  • 9

    48

    Hour 9

    9:00

  • 11

    52

    Hour 10

    10:00

  • 11

    52

    Hour 11

    11:00

  • 13

    55

    Hour 12

    12:00

  • 13

    55

    Hour 13

    13:00

  • 13

    55

    Hour 14

    14:00

  • 14

    57

    Hour 15

    15:00

  • 13

    55

    Hour 16

    16:00

  • 12

    54

    Hour 17

    17:00

  • Sunset

    17:57

  • 11

    52

    Hour 18

    18:00

  • 11

    52

    Hour 19

    19:00

  • 10

    50

    Hour 20

    20:00

  • 10

    50

    Hour 21

    21:00

  • 8

    46

    Hour 22

    22:00

  • 8

    46

    Hour 23

    23:00

  • Thursday
  • 10

    50

    0:00

  • 10

    50

    1:00

  • 10

    50

    2:00

  • 9

    48

    3:00

  • 9

    48

    4:00

  • 9

    48

    5:00

  • 9

    48

    6:00

    • 10:00

      Clear

      11º

      52º

    • 11:00

      Clear

      11º

      52º

    • 12:00

      Clear

      13º

      55º

    • 13:00

      Clear

      13º

      55º

    • 14:00

      Clear

      13º

      55º

    • 15:00

      Clear

      14º

      57º

    • 16:00

      Clear

      13º

      55º

    • 17:00

      Cloudy

      12º

      54º

    • 17 57

      SUNSET https://assets.holiday-weather.com/images/mobile/weather_icons/png/sunset.png
    • 18:00

      Overcast

      11º

      52º

    • 19:00

      Cloudy

      11º

      52º

    • 20:00

      Partly cloudy

      10º

      50º

    • 21:00

      Partly cloudy

      10º

      50º

    • 22:00

      Clear

      46º

    • 23:00

      Clear

      46º

    • 00:00

      Thu

      Clear

      46º

    • 01:00

      Clear

      46º

    • 02:00

      Clear

      45º

    • 03:00

      Clear

      45º

    • 04:00

      Clear

      43º

    • 05:00

      Clear

      43º

    • 06:00

      Clear

      43º

    • 07:00

      Clear

      43º

    • 07 48

      SUNRISE https://assets.holiday-weather.com/images/mobile/weather_icons/png/sunrise.png
    • 08:00

      Clear

      43º

    • 09:00

      Clear

      45º

  • 6

    43

    Hour 7

    7:00

  • Sunset

    07:50

  • 6

    43

    Hour 8

    8:00

  • 7

    45

    Hour 9

    9:00

  • 8

    46

    Hour 10

    10:00

  • 9

    48

    Hour 11

    11:00

  • 11

    52

    Hour 12

    12:00

  • 12

    54

    Hour 13

    13:00

  • 13

    55

    Hour 14

    14:00

  • 13

    55

    Hour 15

    15:00

  • 14

    57

    Hour 16

    16:00

  • 13

    55

    Hour 17

    17:00

  • Sunset

    17:56

  • 13

    55

    Hour 18

    18:00

  • 12

    54

    Hour 19

    19:00

  • 12

    54

    Hour 20

    20:00

  • 11

    52

    Hour 21

    21:00

  • 10

    50

    Hour 22

    22:00

  • 10

    50

    Hour 23

    23:00

  • Friday
  • 8

    46

    0:00

  • 8

    46

    1:00

  • 7

    45

    2:00

  • 7

    45

    3:00

  • 6

    43

    4:00

  • 6

    43

    5:00

  • 6

    43

    6:00

    • 06:00

      Partly cloudy

      43º

    • 07:00

      Partly cloudy

      43º

    • 07 50

      SUNRISE https://assets.holiday-weather.com/images/mobile/weather_icons/png/sunrise.png
    • 08:00

      Overcast

      43º

    • 09:00

      Overcast

      45º

    • 10:00

      Overcast

      46º

    • 11:00

      Overcast

      48º

    • 12:00

      Overcast

      11º

      52º

    • 13:00

      Overcast

      12º

      54º

    • 14:00

      Clear

      13º

      55º

    • 15:00

      Clear

      13º

      55º

    • 16:00

      Clear

      14º

      57º

    • 17:00

      Clear

      13º

      55º

    • 17 56

      SUNSET https://assets.holiday-weather.com/images/mobile/weather_icons/png/sunset.png
    • 18:00

      Partly cloudy

      13º

      55º

    • 19:00

      Partly cloudy

      12º

      54º

    • 20:00

      Partly cloudy

      12º

      54º

    • 21:00

      Partly cloudy

      11º

      52º

    • 22:00

      Partly cloudy

      10º

      50º

    • 23:00

      Clear

      10º

      50º

    • 00:00

      Fri

      Clear

      48º

    • 01:00

      Clear

      48º

    • 02:00

      Clear

      48º

    • 03:00

      Clear

      48º

    • 04:00

      Clear

      46º

    • 05:00

      Clear

      46º

  • 8

    46

    Hour 7

    7:00

  • Sunset

    07:51

  • 8

    46

    Hour 8

    8:00

  • 9

    48

    Hour 9

    9:00

  • 9

    48

    Hour 10

    10:00

  • 9

    48

    Hour 11

    11:00

  • 10

    50

    Hour 12

    12:00

  • 10

    50

    Hour 13

    13:00

  • 10

    50

    Hour 14

    14:00

  • 11

    52

    Hour 15

    15:00

  • 11

    52

    Hour 16

    16:00

  • 11

    52

    Hour 17

    17:00

  • Sunset

    17:54

  • 11

    52

    Hour 18

    18:00

  • 11

    52

    Hour 19

    19:00

  • 11

    52

    Hour 20

    20:00

  • 11

    52

    Hour 21

    21:00

  • 10

    50

    Hour 22

    22:00

  • 10

    50

    Hour 23

    23:00

  • Saturday
  • 9

    48

    0:00

  • 9

    48

    1:00

  • 9

    48

    2:00

  • 9

    48

    3:00

  • 8

    46

    4:00

  • 8

    46

    5:00

  • 8

    46

    6:00

    • 06:00

      Overcast

      46º

    • 07:00

      Overcast

      46º

    • 07 51

      SUNRISE https://assets.holiday-weather.com/images/mobile/weather_icons/png/sunrise.png
    • 08:00

      Overcast

      46º

    • 09:00

      Overcast

      48º

    • 10:00

      Overcast

      48º

    • 11:00

      Overcast

      48º

    • 12:00

      Overcast

      10º

      50º

    • 13:00

      Overcast

      10º

      50º

    • 14:00

      Overcast

      10º

      50º

    • 15:00

      Overcast

      11º

      52º

    • 16:00

      Overcast

      11º

      52º

    • 17:00

      Overcast

      11º

      52º

    • 17 54

      SUNSET https://assets.holiday-weather.com/images/mobile/weather_icons/png/sunset.png
    • 18:00

      Moderate rain at times

      11º

      52º

    • 19:00

      Heavy rain at times

      11º

      52º

    • 20:00

      Light rain

      11º

      52º

    • 21:00

      Light rain

      11º

      52º

    • 22:00

      Light rain

      10º

      50º

    • 23:00

      Partly cloudy

      10º

      50º

    • 00:00

      Sat

      Partly cloudy

      10º

      50º

    • 01:00

      Partly cloudy

      10º

      50º

    • 02:00

      Partly cloudy

      10º

      50º

    • 03:00

      Partly cloudy

      10º

      50º

    • 04:00

      Partly cloudy

      10º

      50º

    • 05:00

      Partly cloudy

      10º

      50º

Forecast
Avg Historical Daily Average

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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