S
M
T
W
T
F
S
30
78°
56°
31
67°
58°
1
68°
58°
2
67°
60°
3
73°
59°
4
66°
62°
5
63°
57°
6
59°
56°
7
60°
54°
8
60°
50°
9
63°
50°
10
71°
56°
11
66°
53°
12
65°
48°
13
72°
59°
14
69°
53°
15
66°
57°
16
68°
58°
17
64°
54°
18
64°
53°
19
66°
52°
20
65°
52°
21
66°
45°
22
63°
50°
23
64°
49°
24
65°
48°
25
61°
48°
26
66°
47°
27
59°
47°
28
60°
48°
29
66°
48°
30
66°
47°
1
65°
48°
2
66°
47°
3
63°
48°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in New Glasgow
New Glasgow's September 2026 forecast shows daily high temperatures ranging from 59° to 72°, with overnight lows between 45° and 59°. The average high for September is 65° with an average low of 51°. 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 New Glasgow. See also: October | November | December.
