S
M
T
W
T
F
S
30
89°
67°
31
91°
68°
1
94°
71°
2
95°
72°
3
95°
73°
4
97°
73°
5
91°
68°
6
81°
63°
7
84°
59°
8
88°
63°
9
91°
70°
10
82°
67°
11
82°
71°
12
83°
67°
13
89°
64°
14
88°
65°
15
91°
70°
16
88°
71°
17
79°
62°
18
75°
57°
19
72°
58°
20
77°
56°
21
74°
56°
22
75°
58°
23
73°
54°
24
81°
59°
25
78°
59°
26
80°
58°
27
80°
58°
28
79°
57°
29
79°
58°
30
78°
57°
1
75°
54°
2
73°
56°
3
78°
57°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in North Bend
North Bend's September 2026 forecast shows daily high temperatures ranging from 72° to 91°, with overnight lows between 54° and 71°. The average high for September is 80° with an average low of 60°. 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 North Bend. See also: October | November | December.