S
M
T
W
T
F
S
30
84°
61°
31
81°
59°
1
81°
60°
2
82°
60°
3
85°
64°
4
84°
57°
5
85°
56°
6
77°
56°
7
78°
60°
8
80°
56°
9
78°
55°
10
82°
57°
11
82°
54°
12
77°
53°
13
76°
54°
14
77°
53°
15
78°
54°
16
81°
53°
17
82°
55°
18
82°
58°
19
83°
51°
20
82°
50°
21
73°
51°
22
Hist. Avg.
77°
56°
23
Hist. Avg.
76°
56°
24
Hist. Avg.
76°
55°
25
Hist. Avg.
76°
55°
26
Hist. Avg.
75°
54°
27
Hist. Avg.
75°
54°
28
Hist. Avg.
75°
54°
29
Hist. Avg.
74°
53°
30
Hist. Avg.
74°
53°
1
Hist. Avg.
74°
52°
2
Hist. Avg.
73°
52°
3
Hist. Avg.
73°
52°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
September Weather in Linn Valley
Linn Valley's September 2026 forecast shows daily high temperatures ranging from 73° to 85°, with overnight lows between 50° and 64°. The average high for September is 80° with an average low of 56°. 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 Linn Valley. See also: October | November | December.
