S
M
T
W
T
F
S
30
70°
61°
31
70°
59°
1
66°
55°
2
68°
54°
3
70°
61°
4
N/A
5
67°
48°
6
69°
53°
7
80°
61°
8
68°
53°
9
65°
50°
10
64°
51°
11
64°
53°
12
64°
50°
13
63°
49°
14
64°
50°
15
62°
51°
16
63°
50°
17
63°
49°
18
64°
48°
19
67°
55°
20
68°
54°
21
66°
51°
22
67°
53°
23
66°
53°
24
66°
51°
25
67°
53°
26
67°
53°
27
65°
52°
28
63°
53°
29
65°
52°
30
63°
48°
1
59°
47°
2
57°
44°
3
56°
45°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
September Weather in Bielefeld
Bielefeld's September 2026 forecast shows daily high temperatures ranging from 56° to 80°, with overnight lows between 44° and 61°. The average high for September is 65° with an average low of 51°. 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 Bielefeld. See also: October | November | December.
