S
M
T
W
T
F
S
30
64°
51°
31
62°
49°
1
63°
51°
2
65°
53°
3
67°
53°
4
66°
54°
5
63°
58°
6
69°
55°
7
71°
50°
8
65°
47°
9
61°
48°
10
62°
51°
11
65°
51°
12
67°
53°
13
65°
50°
14
64°
53°
15
67°
53°
16
65°
54°
17
66°
55°
18
64°
54°
19
65°
54°
20
66°
53°
21
66°
51°
22
67°
46°
23
61°
50°
24
57°
48°
25
57°
46°
26
56°
43°
27
56°
44°
28
55°
43°
29
56°
45°
30
55°
42°
1
55°
42°
2
53°
41°
3
53°
43°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Glengarry
Glengarry's September 2026 forecast shows daily high temperatures ranging from 53° to 71°, with overnight lows between 41° and 58°. The average high for September is 62° with an average low of 50°. 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 Glengarry. See also: October | November | December.
