S
M
T
W
T
F
S
30
81°
57°
31
81°
65°
1
90°
69°
2
83°
68°
3
86°
66°
4
83°
68°
5
80°
60°
6
73°
57°
7
77°
52°
8
82°
60°
9
86°
70°
10
76°
60°
11
79°
55°
12
76°
62°
13
80°
60°
14
76°
59°
15
80°
58°
16
75°
54°
17
70°
48°
18
69°
48°
19
69°
47°
20
71°
46°
21
70°
49°
22
71°
54°
23
71°
53°
24
73°
53°
25
73°
52°
26
75°
52°
27
73°
49°
28
74°
52°
29
75°
53°
30
75°
53°
1
74°
52°
2
72°
50°
3
72°
46°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Bellefonte
Bellefonte's September 2026 forecast shows daily high temperatures ranging from 69° to 86°, with overnight lows between 46° and 70°. The average high for September is 75° with an average low of 54°. 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 Bellefonte. See also: October | November | December.
