S
M
T
W
T
F
S
30
78°
58°
31
78°
56°
1
77°
51°
2
71°
49°
3
70°
50°
4
70°
48°
5
71°
48°
6
75°
56°
7
78°
56°
8
75°
55°
9
73°
55°
10
77°
54°
11
77°
54°
12
76°
53°
13
78°
56°
14
79°
44°
15
68°
45°
16
67°
43°
17
69°
45°
18
70°
42°
19
66°
43°
20
66°
44°
21
74°
48°
22
74°
50°
23
74°
41°
24
70°
39°
25
67°
40°
26
69°
44°
27
72°
48°
28
71°
47°
29
70°
38°
30
63°
37°
1
62°
39°
2
65°
42°
3
69°
45°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Glens Falls
Glens Falls's September 2026 forecast shows daily high temperatures ranging from 62° to 79°, with overnight lows between 37° and 58°. The average high for September is 72° 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 Glens Falls. See also: October | November | December.
