S
M
T
W
T
F
S
30
79°
63°
31
75°
59°
1
75°
57°
2
73°
54°
3
73°
55°
4
81°
63°
5
72°
55°
6
70°
48°
7
N/A
8
84°
60°
9
65°
48°
10
64°
45°
11
67°
47°
12
68°
48°
13
71°
51°
14
68°
50°
15
74°
54°
16
70°
48°
17
66°
49°
18
66°
48°
19
68°
49°
20
69°
50°
21
66°
51°
22
66°
52°
23
69°
51°
24
70°
51°
25
70°
49°
26
68°
45°
27
63°
43°
28
61°
42°
29
62°
42°
30
62°
50°
1
61°
48°
2
63°
44°
3
64°
45°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
September Weather in Bad Köstritz
Bad Köstritz's September 2026 forecast shows daily high temperatures ranging from 61° to 84°, with overnight lows between 42° and 60°. The average high for September is 67° with an average low of 48°. 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 Bad Köstritz. See also: October | November | December.