S
M
T
W
T
F
S
30
70°
59°
31
72°
59°
1
68°
55°
2
73°
52°
3
72°
61°
4
72°
61°
5
68°
57°
6
70°
50°
7
84°
57°
8
77°
63°
9
65°
51°
10
67°
46°
11
69°
53°
12
71°
55°
13
67°
56°
14
69°
53°
15
73°
55°
16
68°
51°
17
67°
51°
18
69°
49°
19
72°
51°
20
73°
52°
21
71°
53°
22
65°
53°
23
66°
51°
24
65°
50°
25
65°
49°
26
59°
46°
27
60°
49°
28
59°
44°
29
57°
44°
30
57°
43°
1
58°
44°
2
58°
45°
3
60°
46°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Nienburg
Nienburg's September 2026 forecast shows daily high temperatures ranging from 57° to 73°, with overnight lows between 43° and 56°. 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 Nienburg. See also: October | November | December.
