S
M
T
W
T
F
S
30
78°
50°
31
79°
53°
1
78°
54°
2
79°
53°
3
78°
54°
4
78°
54°
5
76°
52°
6
73°
52°
7
76°
51°
8
76°
51°
9
77°
50°
10
77°
50°
11
76°
49°
12
77°
51°
13
77°
53°
14
76°
52°
15
75°
51°
16
75°
50°
17
72°
50°
18
70°
46°
19
72°
38°
20
65°
47°
21
66°
44°
22
65°
38°
23
63°
38°
24
63°
42°
25
69°
48°
26
68°
47°
27
63°
41°
28
62°
40°
29
62°
45°
30
63°
46°
1
61°
45°
2
61°
37°
3
60°
36°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Wellsville
Wellsville's September 2026 forecast shows daily high temperatures ranging from 60° to 79°, with overnight lows between 36° and 54°. The average high for September is 71° with an average low of 47°. 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 Wellsville. See also: October | November | December.
