S
M
T
W
T
F
S
30
77°
63°
31
75°
61°
1
73°
55°
2
77°
52°
3
77°
54°
4
86°
61°
5
76°
46°
6
76°
53°
7
84°
58°
8
78°
55°
9
65°
47°
10
65°
48°
11
67°
51°
12
68°
50°
13
65°
50°
14
65°
48°
15
66°
49°
16
65°
48°
17
63°
48°
18
68°
51°
19
69°
54°
20
68°
53°
21
62°
49°
22
64°
50°
23
67°
53°
24
67°
52°
25
68°
53°
26
68°
53°
27
66°
51°
28
64°
50°
29
62°
47°
30
64°
45°
1
61°
44°
2
56°
44°
3
54°
43°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Asselfingen
Asselfingen's September 2026 forecast shows daily high temperatures ranging from 54° to 86°, with overnight lows between 43° and 61°. The average high for September is 67° 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 Asselfingen. See also: October | November | December.