S
M
T
W
T
F
S
30
75°
51°
31
76°
53°
1
78°
56°
2
82°
59°
3
86°
60°
4
86°
52°
5
76°
53°
6
76°
57°
7
82°
54°
8
73°
51°
9
74°
55°
10
73°
52°
11
72°
53°
12
72°
50°
13
73°
49°
14
73°
49°
15
75°
55°
16
81°
52°
17
78°
50°
18
76°
52°
19
80°
55°
20
79°
56°
21
77°
51°
22
71°
49°
23
70°
51°
24
71°
47°
25
68°
51°
26
68°
46°
27
68°
51°
28
68°
52°
29
66°
46°
30
66°
47°
1
70°
52°
2
73°
50°
3
68°
48°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Wenatchee Heights
Wenatchee Heights's September 2026 forecast shows daily high temperatures ranging from 66° to 86°, with overnight lows between 46° and 60°. The average high for September is 74° with an average low of 52°. 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 Wenatchee Heights. See also: October | November | December.
