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
77°
48°
19
81°
46°
20
86°
46°
21
86°
50°
22
79°
48°
23
73°
37°
24
81°
43°
25
61°
43°
26
63°
40°
27
65°
35°
28
70°
40°
29
76°
42°
30
73°
41°
1
74°
40°
2
70°
39°
3
69°
40°
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 63° to 76°, with overnight lows between 35° and 42°. The average high for September is 70° with an average low of 40°. 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.
