S
M
T
W
T
F
S
30
79°
39°
31
88°
45°
1
77°
55°
2
61°
50°
3
63°
43°
4
61°
41°
5
70°
52°
6
59°
45°
7
72°
45°
8
81°
43°
9
90°
48°
10
86°
50°
11
77°
50°
12
73°
45°
13
63°
43°
14
72°
39°
15
72°
39°
16
68°
50°
17
63°
52°
18
74°
43°
19
77°
43°
20
82°
47°
21
79°
45°
22
78°
40°
23
78°
44°
24
80°
44°
25
70°
42°
26
71°
42°
27
70°
44°
28
67°
43°
29
66°
41°
30
71°
41°
1
70°
37°
2
72°
42°
3
64°
36°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Bend
Bend's September 2026 forecast shows daily high temperatures ranging from 64° to 82°, with overnight lows between 36° and 47°. The average high for September is 73° with an average low of 42°. 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 Bend. See also: October | November | December.
