S
M
T
W
T
F
S
30
78°
65°
31
84°
72°
1
84°
71°
2
93°
70°
3
93°
68°
4
81°
66°
5
73°
63°
6
77°
57°
7
79°
55°
8
84°
55°
9
81°
64°
10
82°
57°
11
79°
54°
12
81°
64°
13
83°
48°
14
72°
55°
15
87°
66°
16
84°
67°
17
78°
57°
18
75°
56°
19
73°
55°
20
67°
52°
21
71°
51°
22
70°
52°
23
72°
51°
24
74°
49°
25
73°
49°
26
76°
54°
27
76°
55°
28
76°
55°
29
75°
54°
30
74°
54°
1
74°
53°
2
73°
52°
3
72°
53°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Lueneburg
Lueneburg's September 2026 forecast shows daily high temperatures ranging from 67° to 87°, with overnight lows between 48° and 67°. The average high for September is 75° with an average low of 55°. 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 Lueneburg. See also: October | November | December.