S
M
T
W
T
F
S
30
63°
50°
31
63°
49°
1
64°
51°
2
62°
50°
3
62°
48°
4
63°
47°
5
62°
49°
6
63°
48°
7
65°
51°
8
66°
53°
9
65°
51°
10
61°
52°
11
63°
52°
12
62°
51°
13
65°
52°
14
65°
51°
15
64°
51°
16
62°
48°
17
60°
49°
18
60°
47°
19
61°
45°
20
59°
46°
21
60°
45°
22
59°
46°
23
60°
45°
24
59°
48°
25
59°
50°
26
58°
50°
27
62°
47°
28
60°
46°
29
58°
45°
30
58°
45°
1
57°
44°
2
57°
44°
3
58°
46°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Scots' Gap
Scots' Gap's September 2026 forecast shows daily high temperatures ranging from 57° to 66°, with overnight lows between 44° and 53°. The average high for September is 61° with an average low of 48°. 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 Scots' Gap. See also: October | November | December.