Weather in Seattle in September 2023, September - Seattle, Washington, United States, Archive

Currently in Seattle: +15°C

GET FREE Seattle Weather Widget for your website

Weather in September 2023 in Seattle

The average temperature in Seattle in September year of 2023 is +19°C. Interesting that the average daytime temperature is as +23°C while the average nightly temperature is +15°C. The September hottest day is the 15th September(Afternoon) with a temperature of about +29°C. The coldest day in Auckland in September 2023 is 30th September(Overnight). The temperature at that time is +10°C.

As a Occasional cloudy month, September 2023 has 14 days with precipitation.

How Sunny Seattle Weather in September 2023

The weather in Seattle is quite changeable, similarly in many other places in . Talking about Seattle weather in September 2023 can be described as "Occasional cloudy".

Clear Sky vs Cloudiness	Occasional cloudy
Rainy Days(Occasional Showers Included)	14
Maximum Temperature	+29°C (Afternoon, 15th September)
Minimum Temperature	+10°C (Overnight, 30th September)

Please find more detailed day by day information about September weather in Auckland in the year 2023 below.

Seattle Weather September 2023

Early September, from 1 September, 2023 to Sun, 3 September 2023

01.09.2023, Fri
Wind: 3-4 m/s, N, Pressure: 1016-1008 hPa, Humidity: 50-52%
Overnight	+14°C	Thunderstorm
Morning	+16°C	Mainly Cloudy
Afternoon	+24°C	Light Cloud
Evening	+23°C	Thunderstorm
02.09.2023, Sat
Wind: 2-3 m/s, N, Pressure: 1017-1009 hPa, Humidity: 56-58%
Overnight	+16°C	Cloud
Morning	+17°C	Light Cloud
Afternoon	+24°C	Light Cloud
Evening	+21°C	Cloud
03.09.2023, Sun
Wind: 4-5 m/s, S, Pressure: 1017-1009 hPa, Humidity: 67-69%
Overnight	+15°C	Clear Sky
Morning	+17°C	Clear Sky
Afternoon	+20°C	Occasional Showers
Evening	+18°C	Clear Sky

Early September, Early September, from 1 September, 2023 to Sun, 3 September, 2023

04.09.2023, Mon
Wind: 3-4 m/s, S, Pressure: 1021-1013 hPa, Humidity: 68-70%
Overnight	+13°C	Mainly Cloudy
Morning	+16°C	Clear Sky
Afternoon	+17°C	Cloud
Evening	+16°C	Mainly Cloudy
05.09.2023, Tue
Wind: 2-3 m/s, N, Pressure: 1021-1013 hPa, Humidity: 62-64%
Overnight	+12°C	Rain
Morning	+13°C	Occasional Showers
Afternoon	+19°C	Cloud
Evening	+18°C	Rain
06.09.2023, Wen
Wind: 2-3 m/s, N, Pressure: 1019-1011 hPa, Humidity: 56-58%
Overnight	+11°C	Cloud
Morning	+15°C	Cloud
Afternoon	+22°C	Cloud
Evening	+19°C	Cloud
07.09.2023, Thu
Wind: 3-4 m/s, N, Pressure: 1020-1012 hPa, Humidity: 39-41%
Overnight	+13°C	Mainly Cloudy
Morning	+13°C	Mainly Cloudy
Afternoon	+23°C	Mainly Cloudy
Evening	+19°C	Mainly Cloudy
08.09.2023, Fri
Wind: 3-4 m/s, N, Pressure: 1024-1016 hPa, Humidity: 45-47%
Overnight	+12°C	Occasional Showers
Morning	+13°C	Rain
Afternoon	+23°C	Cloud
Evening	+20°C	Rain
09.09.2023, Sat
Wind: 3-4 m/s, N, Pressure: 1023-1015 hPa, Humidity: 44-46%
Overnight	+11°C	Mainly Cloudy
Morning	+16°C	Light Cloud
Afternoon	+26°C	Cloud
Evening	+21°C	Cloud
10.09.2023, Sun
Wind: 4-5 m/s, S,S-W, Pressure: 1021-1013 hPa, Humidity: 49-51%
Overnight	+16°C	Mainly Cloudy
Morning	+16°C	Clear Sky
Afternoon	+23°C	Cloud
Evening	+21°C	Mainly Cloudy

Early September, from 1 September, 2023 to Sun, 3 September, 2023

11.09.2023, Mon
Wind: 2-3 m/s, S, Pressure: 1023-1015 hPa, Humidity: 76-78%
Overnight	+14°C	Clear Sky
Morning	+16°C	Clear Sky
Afternoon	+19°C	Mainly Cloudy
Evening	+19°C	Clear Sky
12.09.2023, Tue
Wind: 3-4 m/s, S-W, Pressure: 1021-1013 hPa, Humidity: 51-53%
Overnight	+14°C	Occasional Showers
Morning	+15°C	Rain
Afternoon	+20°C	Rain
Evening	+16°C	Occasional Showers
13.09.2023, Wen
Wind: 3-4 m/s, N, Pressure: 1025-1017 hPa, Humidity: 53-55%
Overnight	+12°C	Clear Sky
Morning	+15°C	Clear Sky
Afternoon	+22°C	Mainly Cloudy
Evening	+18°C	Clear Sky
14.09.2023, Thu
Wind: 3-4 m/s, N, Pressure: 1023-1015 hPa, Humidity: 56-58%
Overnight	+13°C	Clear Sky
Morning	+14°C	Clear Sky
Afternoon	+21°C	Clear Sky
Evening	+20°C	Clear Sky
15.09.2023, Fri
Wind: 2-3 m/s, N, Pressure: 1019-1011 hPa, Humidity: 35-37%
Overnight	+12°C	Occasional Showers
Morning	+14°C	Rain
Afternoon	+27°C	Cloud
Evening	+25°C	Rain
16.09.2023, Sat
Wind: 2-3 m/s, W, Pressure: 1017-1009 hPa, Humidity: 37-39%
Overnight	+12°C	Cloud
Morning	+14°C	Light Cloud
Afternoon	+26°C	Light Cloud
Evening	+23°C	Cloud
17.09.2023, Sun
Wind: 2-3 m/s, S, Pressure: 1023-1015 hPa, Humidity: 64-66%
Overnight	+13°C	Mainly Cloudy
Morning	+15°C	Clear Sky
Afternoon	+20°C	Cloud
Evening	+18°C	Mainly Cloudy

Early September, from 1 September, 2023 to Sun, 3 September, 2023

18.09.2023, Mon
Wind: 3-4 m/s, N,N-E, Pressure: 1023-1015 hPa, Humidity: 56-58%
Overnight	+11°C	Occasional Showers
Morning	+13°C	Rain
Afternoon	+16°C	Rain
Evening	+15°C	Occasional Showers
19.09.2023, Tue
Wind: 2-3 m/s, S, Pressure: 1023-1015 hPa, Humidity: 59-61%
Overnight	+11°C	Occasional Showers
Morning	+13°C	Rain
Afternoon	+16°C	Rain
Evening	+15°C	Occasional Showers
20.09.2023, Wen
Wind: 4-5 m/s, N, Pressure: 1023-1015 hPa, Humidity: 65-67%
Overnight	+11°C	Occasional Showers
Morning	+12°C	Occasional Showers
Afternoon	+16°C	Occasional Showers
Evening	+13°C	Occasional Showers
21.09.2023, Thu
Wind: 3-4 m/s, N, Pressure: 1023-1015 hPa, Humidity: 43-45%
Overnight	+9°C	Clear Sky
Morning	+13°C	Clear Sky
Afternoon	+19°C	Clear Sky
Evening	+15°C	Clear Sky
22.09.2023, Fri
Wind: 1-2 m/s, S, Pressure: 1019-1011 hPa, Humidity: 33-35%
Overnight	+10°C	Occasional Showers
Morning	+15°C	Rain
Afternoon	+24°C	Cloud
Evening	+18°C	Rain
23.09.2023, Sat
Wind: 5-6 m/s, S-W, Pressure: 1019-1011 hPa, Humidity: 50-52%
Overnight	+13°C	Cloud
Morning	+13°C	Light Cloud
Afternoon	+19°C	Mainly Cloudy
Evening	+14°C	Cloud
24.09.2023, Sun
Wind: 2-3 m/s, S,S-W, Pressure: 1015-1007 hPa, Humidity: 64-66%
Overnight	+11°C	Cloud
Morning	+13°C	Light Cloud
Afternoon	+18°C	Mainly Cloudy
Evening	+14°C	Cloud

Late September, Early September, from 1 September, 2023 to Sun, 3 September, 2023

25.09.2023, Mon
Wind: 5-6 m/s, S, Pressure: 1012-1004 hPa, Humidity: 92-94%
Overnight	+11°C	Occasional Showers
Morning	+14°C	Rain
Afternoon	+15°C	Rain
Evening	+15°C	Occasional Showers
26.09.2023, Tue
Wind: 4-5 m/s, S, Pressure: 1019-1011 hPa, Humidity: 84-86%
Overnight	+11°C	Occasional Showers
Morning	+12°C	Rain
Afternoon	+13°C	Rain
Evening	+12°C	Occasional Showers
27.09.2023, Wen
Wind: 3-4 m/s, E, Pressure: 1019-1011 hPa, Humidity: 94-96%
Overnight	+12°C	Mainly Cloudy
Morning	+12°C	Light Cloud
Afternoon	+13°C	Cloud
Evening	+12°C	Cloud
28.09.2023, Thu
Wind: 3-4 m/s, N, Pressure: 1020-1012 hPa, Humidity: 79-81%
Overnight	+9°C	Occasional Showers
Morning	+11°C	Occasional Showers
Afternoon	+15°C	Occasional Showers
Evening	+11°C	Occasional Showers
29.09.2023, Fri
Wind: 4-5 m/s, N, Pressure: 1019-1011 hPa, Humidity: 56-58%
Overnight	+8°C	Occasional Showers
Morning	+9°C	Occasional Showers
Afternoon	+14°C	Rain
Evening	+13°C	Rain
30.09.2023, Sat
Wind: 3-4 m/s, N, Pressure: 1021-1013 hPa, Humidity: 68-70%
Overnight	+8°C	Mainly Cloudy
Morning	+10°C	Clear Sky
Afternoon	+14°C	Cloud
Evening	+13°C	Mainly Cloudy