S
M
T
W
T
F
S
30
86°
64°
31
88°
66°
1
85°
67°
2
91°
70°
3
91°
70°
4
91°
68°
5
82°
68°
6
81°
61°
7
84°
57°
8
84°
59°
9
86°
63°
10
81°
68°
11
79°
65°
12
86°
64°
13
81°
68°
14
73°
55°
15
84°
52°
16
89°
59°
17
85°
67°
18
82°
62°
19
84°
68°
20
82°
65°
21
73°
63°
22
73°
60°
23
69°
56°
24
68°
53°
25
67°
55°
26
70°
53°
27
68°
53°
28
73°
50°
29
76°
53°
30
77°
56°
1
78°
49°
2
76°
56°
3
70°
56°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Glenville
Glenville's September 2026 forecast shows daily high temperatures ranging from 67° to 84°, with overnight lows between 49° and 68°. The average high for September is 74° with an average low of 57°. 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 Glenville. See also: October | November | December.
