S
M
T
W
T
F
S
30
76°
47°
31
74°
55°
1
77°
48°
2
74°
48°
3
76°
47°
4
81°
52°
5
74°
45°
6
74°
44°
7
75°
44°
8
74°
45°
9
74°
47°
10
75°
45°
11
74°
47°
12
74°
46°
13
79°
45°
14
76°
46°
15
78°
52°
16
82°
52°
17
81°
51°
18
80°
45°
19
73°
41°
20
77°
46°
21
77°
42°
22
74°
42°
23
74°
49°
24
69°
48°
25
67°
41°
26
67°
45°
27
68°
42°
28
65°
41°
29
65°
48°
30
67°
51°
1
66°
49°
2
69°
38°
3
66°
37°
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 65° to 82°, with overnight lows between 37° and 55°. The average high for September is 73° with an average low of 46°. 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.
