S
M
T
W
T
F
S
30
70°
65°
31
73°
66°
1
84°
70°
2
83°
69°
3
79°
68°
4
77°
64°
5
76°
59°
6
74°
57°
7
76°
53°
8
80°
56°
9
78°
66°
10
78°
62°
11
72°
55°
12
78°
66°
13
76°
55°
14
66°
51°
15
79°
63°
16
74°
62°
17
70°
55°
18
70°
52°
19
66°
49°
20
64°
49°
21
67°
50°
22
68°
51°
23
68°
54°
24
69°
47°
25
62°
49°
26
67°
52°
27
71°
52°
28
69°
51°
29
65°
51°
30
68°
52°
1
70°
51°
2
65°
50°
3
64°
50°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Hamburg
Hamburg's September 2026 forecast shows daily high temperatures ranging from 62° to 79°, with overnight lows between 47° and 66°. The average high for September is 69° with an average low of 53°. 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 Hamburg. See also: October | November | December.