S
M
T
W
T
F
S
31
77°
54°
1
70°
61°
2
73°
57°
3
73°
57°
4
77°
57°
5
72°
54°
6
75°
48°
7
79°
54°
8
68°
59°
9
63°
54°
10
66°
50°
11
66°
52°
12
68°
50°
13
70°
50°
14
68°
54°
15
73°
63°
16
64°
55°
17
66°
48°
18
79°
54°
19
84°
50°
20
84°
50°
21
68°
55°
22
59°
52°
23
63°
52°
24
57°
50°
25
50°
48°
26
57°
45°
27
63°
52°
28
64°
48°
29
66°
48°
30
64°
52°
1
61°
43°
2
59°
41°
3
57°
41°
4
59°
50°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Aschaffenburg
Aschaffenburg's September 2025 forecast shows daily high temperatures ranging from ° to °, with overnight lows between ° and °. The average high for September is ° with an average low of °. 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 Aschaffenburg. See also: October | November | December.