S
M
T
W
T
F
S
30
75°
54°
31
76°
53°
1
71°
65°
2
70°
64°
3
82°
59°
4
80°
54°
5
75°
54°
6
73°
47°
7
78°
44°
8
75°
48°
9
74°
55°
10
81°
59°
11
75°
46°
12
75°
40°
13
73°
62°
14
69°
44°
15
69°
53°
16
75°
58°
17
70°
58°
18
72°
41°
19
67°
51°
20
62°
49°
21
69°
51°
22
65°
48°
23
63°
45°
24
70°
48°
25
65°
49°
26
67°
49°
27
67°
48°
28
69°
41°
29
71°
43°
30
62°
40°
1
65°
45°
2
66°
46°
3
66°
43°
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 75°, with overnight lows between 40° and 58°. The average high for September is 67° 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.
