S
M
T
W
T
F
S
30
75°
56°
31
72°
63°
1
86°
67°
2
77°
64°
3
84°
64°
4
75°
63°
5
70°
57°
6
70°
54°
7
72°
46°
8
77°
48°
9
81°
59°
10
79°
63°
11
76°
50°
12
70°
64°
13
81°
56°
14
70°
48°
15
76°
56°
16
73°
57°
17
75°
56°
18
70°
47°
19
66°
44°
20
65°
45°
21
65°
44°
22
68°
46°
23
69°
49°
24
70°
45°
25
62°
40°
26
65°
45°
27
71°
49°
28
69°
44°
29
62°
38°
30
67°
49°
1
68°
45°
2
63°
43°
3
67°
47°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Wellsboro
Wellsboro's September 2026 forecast shows daily high temperatures ranging from 62° to 81°, with overnight lows between 38° and 64°. The average high for September is 69° with an average low of 48°. 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 Wellsboro. See also: October | November | December.