S
M
T
W
T
F
S
30
66°
59°
31
68°
59°
1
70°
58°
2
72°
56°
3
70°
55°
4
67°
57°
5
69°
56°
6
68°
51°
7
68°
58°
8
69°
55°
9
68°
55°
10
63°
53°
11
63°
52°
12
64°
52°
13
62°
53°
14
62°
52°
15
63°
56°
16
65°
56°
17
65°
57°
18
66°
55°
19
67°
53°
20
66°
51°
21
62°
53°
22
60°
51°
23
60°
52°
24
61°
49°
25
60°
54°
26
62°
55°
27
65°
52°
28
64°
47°
29
60°
49°
30
60°
50°
1
59°
49°
2
60°
50°
3
59°
49°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Baltrum
Baltrum's September 2026 forecast shows daily high temperatures ranging from 59° to 72°, with overnight lows between 47° and 59°. The average high for September is 64° 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 Baltrum. See also: October | November | December.
