S
M
T
W
T
F
S
30
80°
37°
31
76°
35°
1
82°
38°
2
79°
41°
3
80°
40°
4
83°
37°
5
81°
40°
6
83°
39°
7
83°
33°
8
82°
34°
9
78°
31°
10
81°
30°
11
75°
28°
12
75°
32°
13
73°
30°
14
70°
35°
15
72°
38°
16
78°
37°
17
80°
37°
18
77°
38°
19
76°
33°
20
71°
34°
21
78°
35°
22
79°
35°
23
79°
33°
24
76°
33°
25
73°
32°
26
70°
35°
27
77°
25°
28
66°
27°
29
65°
35°
30
66°
35°
1
72°
36°
2
77°
25°
3
75°
22°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Fort Rock
Fort Rock's September 2026 forecast shows daily high temperatures ranging from 65° to 83°, with overnight lows between 22° and 41°. The average high for September is 76° with an average low of 34°. 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 Fort Rock. See also: October | November | December.
