S
M
T
W
T
F
S
30
66°
55°
31
64°
52°
1
61°
52°
2
63°
56°
3
65°
54°
4
62°
50°
5
63°
52°
6
65°
54°
7
62°
54°
8
59°
47°
9
60°
45°
10
59°
45°
11
63°
50°
12
62°
48°
13
61°
51°
14
61°
50°
15
61°
50°
16
62°
51°
17
60°
51°
18
62°
50°
19
59°
45°
20
58°
48°
21
60°
51°
22
61°
49°
23
61°
48°
24
57°
49°
25
59°
49°
26
60°
48°
27
61°
49°
28
61°
47°
29
60°
49°
30
61°
49°
1
61°
48°
2
60°
49°
3
60°
48°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Milngavie
Milngavie's September 2026 forecast shows daily high temperatures ranging from 57° to 65°, with overnight lows between 45° and 56°. The average high for September is 61° 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 Milngavie. See also: October | November | December.