S
M
T
W
T
F
S
30
80°
60°
31
74°
60°
1
73°
56°
2
75°
53°
3
73°
56°
4
84°
61°
5
72°
54°
6
70°
46°
7
72°
56°
8
82°
58°
9
63°
48°
10
60°
45°
11
66°
50°
12
65°
47°
13
65°
50°
14
66°
51°
15
68°
52°
16
60°
48°
17
60°
47°
18
59°
48°
19
59°
48°
20
62°
46°
21
64°
46°
22
61°
44°
23
65°
46°
24
66°
46°
25
66°
47°
26
65°
42°
27
59°
39°
28
59°
38°
29
58°
38°
30
60°
45°
1
56°
40°
2
55°
38°
3
60°
38°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Deggendorf
Deggendorf's September 2026 forecast shows daily high temperatures ranging from 55° to 82°, with overnight lows between 38° and 58°. The average high for September is 63° with an average low of 46°. 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 Deggendorf. See also: October | November | December.
