S
M
T
W
T
F
S
30
84°
58°
31
89°
55°
1
85°
51°
2
82°
50°
3
78°
54°
4
80°
51°
5
85°
54°
6
86°
55°
7
81°
51°
8
76°
49°
9
75°
46°
10
76°
49°
11
78°
48°
12
77°
53°
13
75°
55°
14
75°
56°
15
74°
53°
16
74°
53°
17
75°
50°
18
73°
53°
19
72°
49°
20
74°
44°
21
77°
43°
22
72°
44°
23
71°
42°
24
73°
46°
25
79°
48°
26
72°
48°
27
75°
45°
28
Hist. Avg.
73°
38°
29
Hist. Avg.
72°
38°
30
Hist. Avg.
72°
37°
1
Hist. Avg.
72°
37°
2
Hist. Avg.
71°
37°
3
Hist. Avg.
70°
36°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
September Weather in West Wenatchee
West Wenatchee's September 2026 forecast shows daily high temperatures ranging from 71° to 89°, with overnight lows between 42° and 58°. The average high for September is 77° with an average low of 50°. 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 West Wenatchee. See also: October | November | December.
