S
M
T
W
T
F
S
30
73°
61°
31
74°
61°
1
84°
67°
2
80°
67°
3
78°
65°
4
76°
55°
5
71°
50°
6
73°
50°
7
75°
54°
8
72°
52°
9
76°
58°
10
75°
52°
11
69°
51°
12
70°
50°
13
70°
51°
14
68°
48°
15
71°
47°
16
72°
51°
17
72°
47°
18
66°
45°
19
72°
47°
20
74°
51°
21
73°
51°
22
72°
50°
23
72°
49°
24
68°
47°
25
72°
49°
26
71°
49°
27
70°
46°
28
61°
45°
29
60°
43°
30
60°
40°
1
59°
39°
2
59°
44°
3
63°
41°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Coudersport
Coudersport's September 2026 forecast shows daily high temperatures ranging from 59° to 80°, with overnight lows between 39° and 67°. The average high for September is 70° 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 Coudersport. See also: October | November | December.
