S
M
T
W
T
F
S
30
81°
64°
31
77°
57°
1
75°
57°
2
73°
53°
3
76°
54°
4
N/A
5
68°
53°
6
68°
50°
7
73°
59°
8
72°
55°
9
67°
52°
10
65°
51°
11
65°
52°
12
63°
50°
13
63°
49°
14
65°
49°
15
64°
50°
16
63°
49°
17
62°
50°
18
64°
48°
19
67°
49°
20
68°
52°
21
67°
51°
22
67°
51°
23
66°
50°
24
67°
51°
25
67°
51°
26
66°
50°
27
67°
50°
28
63°
48°
29
65°
50°
30
63°
46°
1
60°
44°
2
56°
42°
3
57°
43°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
September Weather in Blankenburg
Blankenburg's September 2026 forecast shows daily high temperatures ranging from 56° to 73°, with overnight lows between 42° and 59°. The average high for September is 65° 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 Blankenburg. See also: October | November | December.