Weather in Seattle in september 2022

The weather in Seattle in the month of september comes from statistical datas on the past years. You can view the weather statistics the entire month, but also navigating through the tabs for the beginning, the middle and the end of the month.

Average weather throughout september

perfect weather

Weather at 6am
58°F

Partly Cloudy

20%

Moderate rain at times

16%

Cloudy

8%

Weather at 12pm
72°F

Moderate rain at times

24%

Partly Cloudy

17%

Cloudy

6%

Weather at 6pm
61°F

Partly Cloudy

22%

Moderate rain at times

20%

Heavy rain

6%

Weather at 3am
56°F

Clear/Sunny

39%

Fog

24%

Partly Cloudy

19%

Cloudy

13%



Evolution of daily average temperature and precipitation in Seattle in september

These charts show the evolution of average minimum/maximum temperatures as well as average daily precipitation volume in Seattle in september.


The climate of Seattle in september is perfect

In september in Seattle, the climate is quite dry (with 1.4in of rainfall over 2 days). The situation is deteriorating compared to the previous month since in august there is an average of 0.6in of rainfall over 1 days.

The climate comfortable in that locality the month of september. The thermometer averaged maximum of 74°F. In the morning the temperature drops to 58°F. Thus, the mean temperature average on this month of september in Seattle is 67°F. Note that these seasonal averages are in contrast with those observed in Seattle in september with a maximum record of 97°F in 2017 and a minimum record of 41°F in 2019. You can expect to have about 26 days with temperatures over 65°F, or 87% of the month. And about 3 days with temperatures above 86°F.

On average, in Seattle, the days of september last 12:33. The sun rises at 05:47 and sunset is at 18:20.

With a good weather, september is recommended to go in this locality.




Seasonal average climate and temperature of Seattle in september

Check below seasonal norms These datas are compiled from the weather statements of the past years of september.

September
Outside temperature
Average temperature 67°F
Highest temperature 74°F
Lowest temperature 58°F
Highest record temperature 97°F
(2017)
Lowest record temperature 41°F
(2019)
Number of days at +86°F 3 day(s)
(10%)
Number of days at +65°F 26 day(s)
(87%)
Sea temperature
Average sea temperature 54°F
Lowest sea temperature 52°F
Highest sea temperature 56°F
Wind
Wind speed 10km/h
Wind temperature 58°F
Precipitation (rainfall)
Rainfall 1.4in
Number of days with rainfall 2 day(s)
(7%)
Record daily rainfall 0.8in
(2013)
Other climate data
Humidity 84%
Visibility 9.1km
Cloud cover 32%
UV index 5
Daily sunshine hours 12
Sunrise and sunset
Time of sunrise 05:47
Time of sunset 18:20
Length of day 12:33
Our opinion about the weather in september
Our opinion at whereandwhen.net perfect


How was the weather last september?

Here is the day by day recorded weather in Seattle in september 2021:

01-09-2021
Partly Cloudy
45°F to 70°F
02-09-2021
Partly Cloudy
47°F to 81°F
03-09-2021
Partly Cloudy
52°F to 90°F
04-09-2021
Partly Cloudy
52°F to 81°F
05-09-2021
Partly Cloudy
63°F to 85°F
06-09-2021
Clear/Sunny
50°F to 79°F
07-09-2021
Clear/Sunny
52°F to 86°F
08-09-2021
Partly Cloudy
59°F to 85°F
09-09-2021
Partly Cloudy
58°F to 76°F
10-09-2021
Partly Cloudy
52°F to 77°F
11-09-2021
Partly Cloudy
58°F to 76°F
12-09-2021
Patchy rain nearby
58°F to 67°F
13-09-2021
Partly Cloudy
49°F to 72°F
14-09-2021
Cloudy
47°F to 67°F
15-09-2021
Overcast
56°F to 67°F
16-09-2021
Overcast
43°F to 67°F
17-09-2021
Patchy rain nearby
50°F to 54°F
18-09-2021
Patchy rain nearby
58°F to 67°F
19-09-2021
Light rain shower
52°F to 59°F
20-09-2021
Cloudy
54°F to 72°F
21-09-2021
Clear/Sunny
47°F to 76°F
22-09-2021
Partly Cloudy
54°F to 74°F
23-09-2021
Partly Cloudy
54°F to 70°F
24-09-2021
Partly Cloudy
50°F to 77°F
25-09-2021
Partly Cloudy
50°F to 77°F
26-09-2021
Light drizzle
50°F to 58°F
27-09-2021
Patchy rain nearby
56°F to 65°F
28-09-2021
Light rain shower
50°F to 56°F
29-09-2021
Partly Cloudy
45°F to 61°F
30-09-2021
Light rain
54°F to 59°F

Map: other cities in the United States (USA) in september

Cities near Seattle:

Mount Rainier National Park (Washington) in septembertolerable weather
Westport (Washington) in septembergood weather
La Push (Washington) in septembergood weather
Ocean Park (Washington) in septembergood weather
Long Beach (Washington) in septembergood weather
Portland in septembergood weather
Salem (Oregon) in septemberperfect weather
Lincoln City (Oregon) in septembergood weather
Newport (Oregon) in septembergood weather
Coos Bay in septembergood weather
Crater Lake (Oregon) in septembertolerable weather
Glacier National Park (Montana) in septembervery bad weather
United States in september: See full list of cities

Click over cities on the map for information about the weather in september.

Legend: Seattle perfect weather good tolerable bad very bad


Weather data for Seattle in september:

Weather data for Seattle for september are derived from an average of the weather forecast since 2009 in Seattle. There is a margin of error and these forecasts are to be considered as general information only. The weather in Seattle can vary slightly from year to year, but this data should limit surprises. So you can pack your bags or check for the best time in year to go to Seattle.


Weather in august in Seattle
Weather in october in Seattle
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