S
M
T
W
T
F
S
30
68°
56°
31
71°
54°
1
70°
54°
2
70°
55°
3
68°
52°
4
70°
52°
5
69°
51°
6
72°
52°
7
72°
52°
8
72°
54°
9
76°
55°
10
73°
57°
11
69°
56°
12
69°
55°
13
71°
54°
14
72°
54°
15
72°
56°
16
71°
54°
17
66°
55°
18
65°
51°
19
66°
51°
20
66°
56°
21
65°
55°
22
65°
53°
23
64°
49°
24
63°
48°
25
63°
47°
26
65°
49°
27
71°
53°
28
72°
54°
29
72°
54°
30
71°
53°
1
70°
54°
2
71°
54°
3
70°
53°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Woodinville
Woodinville's September 2026 forecast shows daily high temperatures ranging from 63° to 76°, with overnight lows between 47° and 57°. The average high for September is 69° with an average low of 53°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how September weather will actually feel in Woodinville. See also: October | November | December.
