S
M
T
W
T
F
S
30
85°
60°
31
85°
70°
1
93°
71°
2
79°
72°
3
87°
71°
4
89°
73°
5
84°
64°
6
84°
60°
7
84°
60°
8
86°
56°
9
88°
66°
10
88°
72°
11
84°
63°
12
81°
60°
13
88°
70°
14
78°
57°
15
78°
52°
16
83°
57°
17
83°
69°
18
82°
57°
19
75°
61°
20
76°
61°
21
69°
55°
22
63°
49°
23
64°
54°
24
68°
55°
25
70°
51°
26
69°
48°
27
71°
52°
28
70°
53°
29
70°
52°
30
71°
40°
1
67°
54°
2
73°
55°
3
65°
54°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Landenberg
Landenberg's September 2026 forecast shows daily high temperatures ranging from 63° to 83°, with overnight lows between 40° and 69°. The average high for September is 71° with an average low of 54°. 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 Landenberg. See also: October | November | December.
