S
M
T
W
T
F
S
30
77°
46°
31
77°
47°
1
79°
47°
2
78°
45°
3
81°
44°
4
77°
47°
5
80°
49°
6
79°
48°
7
73°
48°
8
81°
49°
9
81°
50°
10
83°
50°
11
81°
49°
12
71°
47°
13
71°
44°
14
72°
47°
15
72°
48°
16
73°
46°
17
75°
47°
18
70°
43°
19
72°
46°
20
77°
47°
21
74°
45°
22
73°
44°
23
75°
46°
24
68°
42°
25
74°
44°
26
76°
45°
27
77°
45°
28
75°
44°
29
69°
44°
30
75°
43°
1
66°
43°
2
75°
41°
3
70°
35°
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 66° to 83°, with overnight lows between 35° and 50°. The average high for September is 75° 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 Bend. See also: October | November | December.
