S
M
T
W
T
F
S
30
71°
54°
31
64°
55°
1
78°
64°
2
75°
63°
3
81°
63°
4
73°
55°
5
72°
54°
6
70°
50°
7
72°
45°
8
75°
45°
9
72°
65°
10
75°
51°
11
68°
45°
12
74°
63°
13
78°
53°
14
74°
58°
15
83°
60°
16
71°
51°
17
69°
52°
18
67°
51°
19
61°
43°
20
63°
45°
21
62°
47°
22
64°
47°
23
66°
51°
24
67°
51°
25
60°
41°
26
63°
46°
27
68°
50°
28
66°
45°
29
60°
40°
30
63°
50°
1
65°
48°
2
61°
46°
3
66°
49°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Cortland West
Cortland West's September 2026 forecast shows daily high temperatures ranging from 60° to 83°, with overnight lows between 40° and 65°. The average high for September is 67° with an average low of 50°. 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 Cortland West. See also: October | November | December.
