S
M
T
W
T
F
S
30
66°
55°
31
64°
52°
1
61°
55°
2
N/A
3
65°
53°
4
63°
51°
5
63°
55°
6
68°
54°
7
62°
49°
8
58°
45°
9
59°
44°
10
60°
49°
11
60°
49°
12
61°
46°
13
62°
47°
14
63°
50°
15
61°
50°
16
59°
50°
17
60°
51°
18
61°
51°
19
62°
50°
20
61°
50°
21
62°
51°
22
62°
51°
23
61°
50°
24
61°
50°
25
60°
49°
26
61°
49°
27
61°
48°
28
60°
50°
29
61°
48°
30
59°
45°
1
55°
44°
2
54°
43°
3
55°
44°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
September Weather in Glasgow
Glasgow's September 2026 forecast shows daily high temperatures ranging from 54° to 68°, with overnight lows between 43° and 55°. The average high for September is 61° with an average low of 49°. 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 Glasgow. See also: October | November | December.
