S
M
T
W
T
F
S
30
68°
63°
31
72°
59°
1
68°
57°
2
72°
54°
3
72°
61°
4
69°
55°
5
65°
50°
6
68°
54°
7
79°
61°
8
65°
52°
9
64°
48°
10
63°
51°
11
64°
53°
12
64°
50°
13
63°
49°
14
65°
50°
15
64°
48°
16
63°
49°
17
62°
50°
18
64°
48°
19
67°
52°
20
67°
51°
21
66°
50°
22
66°
51°
23
65°
51°
24
66°
50°
25
66°
51°
26
65°
51°
27
64°
50°
28
63°
50°
29
64°
49°
30
63°
46°
1
57°
45°
2
57°
42°
3
56°
43°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Sittensen
Sittensen's September 2026 forecast shows daily high temperatures ranging from 56° to 79°, with overnight lows between 42° and 61°. The average high for September is 64° 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 Sittensen. See also: October | November | December.
