S
M
T
W
T
F
S
30
64°
54°
31
63°
48°
1
59°
48°
2
61°
55°
3
63°
54°
4
59°
52°
5
59°
46°
6
64°
45°
7
61°
52°
8
57°
46°
9
61°
47°
10
61°
51°
11
63°
50°
12
64°
50°
13
65°
50°
14
64°
56°
15
62°
48°
16
60°
45°
17
61°
47°
18
62°
48°
19
63°
50°
20
61°
49°
21
62°
50°
22
62°
49°
23
62°
47°
24
60°
46°
25
56°
45°
26
56°
45°
27
57°
46°
28
58°
42°
29
54°
41°
30
55°
45°
1
55°
43°
2
57°
46°
3
56°
44°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Langholm
Langholm's September 2026 forecast shows daily high temperatures ranging from 54° to 65°, with overnight lows between 41° and 56°. The average high for September is 60° with an average low of 47°. 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 Langholm. See also: October | November | December.
