S
M
T
W
T
F
S
30
93°
49°
31
91°
44°
1
86°
41°
2
79°
47°
3
88°
52°
4
90°
49°
5
89°
41°
6
84°
36°
7
74°
35°
8
74°
45°
9
75°
37°
10
74°
45°
11
81°
32°
12
74°
41°
13
77°
45°
14
85°
43°
15
82°
36°
16
72°
33°
17
71°
34°
18
73°
37°
19
82°
36°
20
82°
42°
21
81°
40°
22
78°
32°
23
69°
37°
24
70°
41°
25
79°
37°
26
70°
32°
27
66°
37°
28
71°
36°
29
68°
36°
30
68°
34°
1
63°
31°
2
66°
35°
3
73°
39°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Baker City
Baker City's September 2026 forecast shows daily high temperatures ranging from 63° to 93°, with overnight lows between 31° and 52°. The average high for September is 77° with an average low of 39°. 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 Baker City. See also: October | November | December.
