S
M
T
W
T
F
S
30
82°
55°
31
78°
61°
1
68°
61°
2
75°
59°
3
81°
62°
4
83°
61°
5
76°
56°
6
71°
53°
7
79°
49°
8
79°
51°
9
79°
59°
10
85°
61°
11
77°
53°
12
75°
48°
13
73°
61°
14
73°
49°
15
72°
44°
16
77°
49°
17
79°
62°
18
79°
61°
19
67°
53°
20
62°
55°
21
69°
55°
22
66°
45°
23
67°
44°
24
68°
42°
25
65°
41°
26
59°
55°
27
64°
57°
28
60°
55°
29
67°
55°
30
69°
54°
1
75°
61°
2
82°
54°
3
70°
43°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Scotland
Scotland's September 2026 forecast shows daily high temperatures ranging from 70° to 82°, with overnight lows between 43° and 61°. The average high for September is 76° with an average low of 53°. 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 Scotland. See also: October | November | December.