S
M
T
W
T
F
S
30
85°
64°
31
86°
63°
1
85°
62°
2
81°
56°
3
79°
57°
4
80°
57°
5
81°
58°
6
85°
60°
7
86°
63°
8
86°
62°
9
85°
63°
10
87°
62°
11
85°
61°
12
86°
62°
13
86°
63°
14
84°
58°
15
75°
56°
16
75°
56°
17
78°
55°
18
73°
53°
19
74°
48°
20
74°
51°
21
81°
52°
22
82°
51°
23
82°
49°
24
77°
48°
25
73°
49°
26
77°
53°
27
78°
55°
28
79°
53°
29
71°
45°
30
70°
46°
1
71°
48°
2
78°
48°
3
78°
52°
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 70° to 87°, with overnight lows between 45° and 64°. The average high for September is 80° with an average low of 55°. 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.
