S
M
T
W
T
F
S
30
81°
63°
31
79°
55°
1
77°
55°
2
77°
50°
3
64°
57°
4
78°
50°
5
78°
62°
6
76°
64°
7
70°
64°
8
69°
56°
9
71°
54°
10
81°
52°
11
72°
50°
12
61°
46°
13
63°
36°
14
61°
43°
15
64°
39°
16
64°
39°
17
66°
43°
18
70°
50°
19
66°
54°
20
61°
48°
21
64°
41°
22
64°
39°
23
61°
50°
24
68°
52°
25
69°
57°
26
67°
49°
27
69°
50°
28
58°
40°
29
64°
44°
30
64°
46°
1
62°
45°
2
61°
43°
3
57°
43°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Langdon
Langdon's September 2026 forecast shows daily high temperatures ranging from 57° to 69°, with overnight lows between 40° and 57°. The average high for September is 64° 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 Langdon. See also: October | November | December.
