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
N/A
6
67°
57°
7
71°
62°
8
67°
56°
9
64°
55°
10
64°
55°
11
63°
55°
12
63°
55°
13
62°
56°
14
63°
55°
15
62°
55°
16
63°
56°
17
64°
55°
18
62°
58°
19
64°
58°
20
62°
59°
21
63°
59°
22
63°
60°
23
64°
59°
24
64°
59°
25
63°
57°
26
60°
57°
27
59°
54°
28
58°
53°
29
57°
52°
30
55°
55°
1
61°
55°
2
60°
53°
3
60°
54°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
September Weather in Fehmarn
Fehmarn's September 2026 forecast shows daily high temperatures ranging from 55° to 71°, with overnight lows between 52° and 62°. The average high for September is 62° with an average low of 56°. 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 Fehmarn. See also: October | November | December.
