S
M
T
W
T
F
S
30
79°
39°
31
88°
45°
1
77°
55°
2
61°
50°
3
63°
43°
4
59°
41°
5
65°
43°
6
60°
42°
7
68°
41°
8
73°
46°
9
78°
51°
10
80°
49°
11
74°
44°
12
72°
46°
13
74°
46°
14
75°
47°
15
73°
47°
16
74°
43°
17
76°
41°
18
68°
38°
19
68°
41°
20
71°
46°
21
73°
43°
22
78°
45°
23
69°
43°
24
66°
35°
25
66°
38°
26
70°
42°
27
74°
44°
28
76°
44°
29
76°
43°
30
75°
43°
1
76°
44°
2
76°
44°
3
75°
43°
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 59° to 80°, with overnight lows between 35° and 51°. The average high for September is 72° with an average low of 43°. 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.
