S
M
T
W
T
F
S
30
70°
63°
31
75°
57°
1
70°
57°
2
72°
54°
3
70°
59°
4
64°
59°
5
66°
55°
6
66°
52°
7
75°
57°
8
73°
59°
9
66°
55°
10
63°
48°
11
68°
45°
12
68°
57°
13
68°
54°
14
64°
50°
15
77°
50°
16
66°
54°
17
64°
54°
18
64°
55°
19
66°
57°
20
66°
55°
21
61°
50°
22
66°
45°
23
64°
46°
24
57°
54°
25
64°
46°
26
66°
46°
27
73°
46°
28
73°
57°
29
70°
57°
30
73°
54°
1
70°
59°
2
66°
55°
3
66°
46°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Lübeck
Lübeck's September 2026 forecast shows daily high temperatures ranging from ° to °, with overnight lows between ° and °. The average high for September is ° with an average low of °. 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 Lübeck. See also: October | November | December.