S
M
T
W
T
F
S
30
81°
48°
31
89°
49°
1
75°
53°
2
66°
48°
3
66°
49°
4
70°
51°
5
76°
53°
6
74°
52°
7
74°
53°
8
74°
49°
9
76°
54°
10
78°
50°
11
80°
53°
12
79°
52°
13
77°
51°
14
75°
48°
15
76°
49°
16
70°
48°
17
69°
46°
18
69°
43°
19
70°
49°
20
68°
45°
21
68°
41°
22
69°
41°
23
67°
42°
24
66°
41°
25
66°
40°
26
69°
42°
27
73°
49°
28
66°
47°
29
67°
42°
30
73°
47°
1
68°
46°
2
64°
44°
3
65°
42°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Mount Hood
Mount Hood's September 2026 forecast shows daily high temperatures ranging from 64° to 80°, with overnight lows between 40° and 54°. The average high for September is 71° with an average low of 47°. 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 Mount Hood. See also: October | November | December.
