S
M
T
W
T
F
S
30
77°
61°
31
76°
59°
1
73°
58°
2
74°
52°
3
74°
56°
4
78°
62°
5
70°
56°
6
71°
51°
7
N/A
8
81°
60°
9
69°
51°
10
67°
46°
11
70°
49°
12
71°
52°
13
73°
53°
14
70°
52°
15
75°
55°
16
72°
51°
17
68°
49°
18
69°
50°
19
71°
49°
20
67°
53°
21
66°
53°
22
67°
52°
23
68°
53°
24
69°
53°
25
69°
51°
26
67°
50°
27
64°
46°
28
62°
45°
29
61°
45°
30
61°
50°
1
63°
50°
2
64°
46°
3
65°
48°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
September Weather in Sandau
Sandau's September 2026 forecast shows daily high temperatures ranging from 61° to 81°, with overnight lows between 45° and 60°. The average high for September is 68° 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 Sandau. See also: October | November | December.