S
M
T
W
T
F
S
30
76°
51°
31
72°
52°
1
69°
48°
2
70°
49°
3
69°
50°
4
69°
59°
5
60°
54°
6
55°
49°
7
62°
49°
8
62°
46°
9
62°
41°
10
78°
55°
11
62°
47°
12
69°
43°
13
69°
47°
14
75°
47°
15
68°
46°
16
72°
47°
17
66°
53°
18
70°
47°
19
62°
43°
20
61°
35°
21
63°
44°
22
60°
37°
23
62°
35°
24
71°
38°
25
70°
49°
26
65°
51°
27
63°
48°
28
63°
50°
29
61°
50°
30
65°
47°
1
71°
53°
2
69°
53°
3
66°
46°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in The Gorge
The Gorge's September 2026 forecast shows daily high temperatures ranging from 61° to 71°, with overnight lows between 46° and 53°. The average high for September is 66° 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 The Gorge. See also: October | November | December.
