S
M
T
W
T
F
S
30
77°
34°
31
86°
33°
1
79°
46°
2
57°
46°
3
61°
44°
4
59°
41°
5
65°
47°
6
67°
46°
7
69°
42°
8
72°
45°
9
74°
46°
10
80°
47°
11
77°
46°
12
74°
42°
13
76°
43°
14
75°
46°
15
74°
41°
16
68°
42°
17
68°
38°
18
67°
40°
19
67°
36°
20
70°
43°
21
68°
38°
22
71°
42°
23
66°
36°
24
64°
35°
25
65°
35°
26
71°
37°
27
74°
40°
28
74°
42°
29
73°
43°
30
72°
42°
1
73°
43°
2
74°
43°
3
72°
42°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in East Linn
East Linn's September 2026 forecast shows daily high temperatures ranging from 57° to 80°, with overnight lows between 35° and 47°. The average high for September is 70° with an average low of 42°. 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 East Linn. See also: October | November | December.