S
M
T
W
T
F
S
30
76°
61°
31
77°
61°
1
81°
58°
2
79°
53°
3
72°
56°
4
72°
61°
5
73°
56°
6
79°
51°
7
72°
50°
8
70°
50°
9
71°
56°
10
70°
59°
11
71°
58°
12
77°
54°
13
77°
49°
14
69°
48°
15
66°
46°
16
66°
49°
17
67°
48°
18
67°
46°
19
71°
43°
20
64°
46°
21
65°
54°
22
66°
47°
23
73°
52°
24
72°
54°
25
72°
54°
26
71°
53°
27
72°
50°
28
72°
44°
29
68°
48°
30
59°
49°
1
66°
48°
2
67°
51°
3
68°
51°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Glen Lake
Glen Lake's September 2026 forecast shows daily high temperatures ranging from 59° to 81°, with overnight lows between 43° and 61°. The average high for September is 71° with an average low of 52°. 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 Glen Lake. See also: October | November | December.
