S
M
T
W
T
F
S
30
81°
54°
31
76°
53°
1
79°
54°
2
80°
54°
3
79°
53°
4
76°
52°
5
79°
53°
6
80°
52°
7
80°
51°
8
76°
50°
9
78°
50°
10
77°
51°
11
74°
47°
12
65°
42°
13
65°
40°
14
67°
45°
15
72°
45°
16
76°
46°
17
77°
47°
18
76°
48°
19
78°
50°
20
77°
48°
21
78°
45°
22
76°
45°
23
74°
46°
24
75°
47°
25
75°
44°
26
74°
34°
27
68°
41°
28
70°
34°
29
65°
38°
30
66°
34°
1
58°
36°
2
57°
33°
3
55°
33°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Glenboro
Glenboro's September 2026 forecast shows daily high temperatures ranging from 55° to 81°, with overnight lows between 33° and 54°. The average high for September is 73° with an average low of 46°. 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 Glenboro. See also: October | November | December.
