S
M
T
W
T
F
S
30
88°
66°
31
88°
64°
1
82°
61°
2
83°
65°
3
87°
61°
4
88°
66°
5
88°
66°
6
87°
65°
7
87°
59°
8
81°
58°
9
84°
58°
10
84°
59°
11
86°
59°
12
86°
62°
13
84°
63°
14
85°
62°
15
84°
63°
16
85°
62°
17
84°
56°
18
79°
55°
19
76°
56°
20
77°
61°
21
77°
59°
22
78°
56°
23
77°
59°
24
76°
59°
25
77°
58°
26
81°
59°
27
82°
58°
28
81°
57°
29
77°
58°
30
76°
57°
1
75°
58°
2
76°
54°
3
77°
50°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Linwood
Linwood's September 2026 forecast shows daily high temperatures ranging from 75° to 88°, with overnight lows between 50° and 66°. The average high for September is 82° 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 Linwood. See also: October | November | December.