S
M
T
W
T
F
S
30
73°
49°
31
73°
52°
1
75°
56°
2
73°
59°
3
80°
59°
4
83°
58°
5
83°
53°
6
77°
48°
7
72°
48°
8
74°
53°
9
76°
47°
10
74°
50°
11
73°
49°
12
75°
48°
13
75°
54°
14
79°
53°
15
71°
50°
16
70°
51°
17
69°
52°
18
70°
50°
19
74°
43°
20
69°
48°
21
72°
43°
22
69°
42°
23
68°
42°
24
68°
43°
25
69°
49°
26
72°
42°
27
66°
50°
28
71°
47°
29
72°
39°
30
64°
45°
1
68°
48°
2
73°
45°
3
68°
40°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Montour Falls
Montour Falls's September 2026 forecast shows daily high temperatures ranging from 64° to 83°, with overnight lows between 39° and 59°. The average high for September is 73° with an average low of 49°. 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 Montour Falls. See also: October | November | December.
