S
M
T
W
T
F
S
30
67°
47°
31
67°
48°
1
69°
52°
2
72°
55°
3
68°
57°
4
76°
57°
5
78°
53°
6
74°
48°
7
67°
45°
8
67°
46°
9
71°
44°
10
70°
49°
11
71°
46°
12
65°
47°
13
71°
53°
14
74°
52°
15
74°
51°
16
65°
50°
17
64°
51°
18
66°
49°
19
68°
45°
20
63°
48°
21
69°
41°
22
64°
39°
23
62°
39°
24
62°
40°
25
63°
42°
26
61°
39°
27
60°
40°
28
61°
42°
29
58°
37°
30
59°
39°
1
59°
40°
2
65°
36°
3
58°
36°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in North Creek
North Creek's September 2026 forecast shows daily high temperatures ranging from 58° to 78°, with overnight lows between 36° and 57°. The average high for September is 67° with an average low of 46°. 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 North Creek. See also: October | November | December.
