S
M
T
W
T
F
S
30
90°
64°
31
88°
57°
1
84°
52°
2
78°
54°
3
84°
61°
4
87°
57°
5
86°
51°
6
75°
49°
7
73°
50°
8
73°
57°
9
72°
52°
10
73°
56°
11
74°
47°
12
72°
52°
13
73°
58°
14
76°
52°
15
72°
51°
16
71°
48°
17
70°
47°
18
71°
50°
19
77°
49°
20
77°
51°
21
76°
46°
22
69°
43°
23
67°
45°
24
68°
51°
25
69°
45°
26
66°
44°
27
66°
45°
28
67°
47°
29
66°
48°
30
64°
46°
1
64°
44°
2
68°
48°
3
71°
48°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in East Wenatchee
East Wenatchee's September 2026 forecast shows daily high temperatures ranging from 64° to 90°, with overnight lows between 43° and 64°. The average high for September is 74° 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 East Wenatchee. See also: October | November | December.
