S
M
T
W
T
F
S
30
81°
59°
31
77°
59°
1
77°
54°
2
81°
54°
3
84°
57°
4
90°
55°
5
81°
64°
6
83°
61°
7
86°
58°
8
88°
62°
9
67°
48°
10
70°
48°
11
70°
51°
12
73°
50°
13
73°
54°
14
74°
55°
15
76°
58°
16
70°
53°
17
67°
53°
18
68°
52°
19
63°
43°
20
64°
44°
21
67°
44°
22
69°
46°
23
69°
47°
24
70°
47°
25
69°
49°
26
69°
48°
27
67°
47°
28
68°
49°
29
67°
48°
30
67°
45°
1
65°
42°
2
64°
43°
3
65°
44°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Le Landeron
Le Landeron's September 2026 forecast shows daily high temperatures ranging from 63° to 88°, with overnight lows between 42° and 62°. The average high for September is 70° with an average low of 50°. 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 Le Landeron. See also: October | November | December.
