S
M
T
W
T
F
S
30
74°
54°
31
76°
52°
1
79°
49°
2
72°
48°
3
71°
50°
4
75°
57°
5
74°
56°
6
78°
49°
7
72°
50°
8
71°
55°
9
70°
54°
10
76°
55°
11
74°
55°
12
70°
54°
13
69°
52°
14
69°
47°
15
67°
46°
16
66°
45°
17
67°
53°
18
70°
53°
19
72°
52°
20
75°
53°
21
72°
48°
22
71°
46°
23
65°
45°
24
66°
43°
25
65°
42°
26
64°
49°
27
71°
49°
28
64°
49°
29
68°
50°
30
Hist. Avg.
66°
49°
1
Hist. Avg.
66°
49°
2
Hist. Avg.
66°
49°
3
Hist. Avg.
65°
48°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
September Weather in Hamburg
Hamburg's September 2026 forecast shows daily high temperatures ranging from 64° to 79°, with overnight lows between 42° and 57°. The average high for September is 71° 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 Hamburg. See also: October | November | December.