S
M
T
W
T
F
S
30
90°
67°
31
89°
68°
1
90°
68°
2
91°
67°
3
92°
70°
4
92°
71°
5
93°
66°
6
88°
66°
7
89°
69°
8
88°
69°
9
87°
68°
10
88°
66°
11
91°
69°
12
91°
68°
13
90°
68°
14
91°
67°
15
91°
69°
16
90°
67°
17
91°
67°
18
90°
66°
19
89°
62°
20
89°
62°
21
88°
63°
22
88°
65°
23
87°
64°
24
89°
61°
25
88°
58°
26
86°
62°
27
87°
64°
28
87°
60°
29
84°
61°
30
85°
61°
1
86°
62°
2
86°
61°
3
87°
62°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Langley
Langley's September 2026 forecast shows daily high temperatures ranging from 84° to 93°, with overnight lows between 58° and 71°. The average high for September is 89° with an average low of 65°. 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 Langley. See also: October | November | December.