S
M
T
W
T
F
S
30
72°
61°
31
75°
55°
1
70°
55°
2
70°
54°
3
64°
59°
4
63°
56°
5
65°
53°
6
68°
51°
7
72°
56°
8
68°
52°
9
66°
51°
10
64°
50°
11
64°
53°
12
63°
49°
13
65°
49°
14
64°
50°
15
64°
49°
16
63°
48°
17
62°
56°
18
65°
56°
19
65°
55°
20
66°
56°
21
65°
56°
22
65°
55°
23
64°
56°
24
65°
55°
25
65°
55°
26
64°
56°
27
65°
55°
28
63°
54°
29
63°
55°
30
62°
52°
1
59°
50°
2
57°
49°
3
56°
50°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Barth
Barth's September 2026 forecast shows daily high temperatures ranging from 56° to 72°, with overnight lows between 48° and 56°. 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 Barth. See also: October | November | December.
