S
M
T
W
T
F
S
30
75°
48°
31
77°
53°
1
78°
54°
2
77°
54°
3
77°
51°
4
67°
47°
5
68°
48°
6
68°
47°
7
69°
46°
8
71°
46°
9
74°
50°
10
75°
51°
11
74°
52°
12
68°
52°
13
68°
48°
14
69°
51°
15
67°
53°
16
67°
52°
17
68°
50°
18
69°
47°
19
67°
41°
20
66°
42°
21
69°
41°
22
65°
39°
23
65°
41°
24
66°
43°
25
64°
45°
26
66°
44°
27
67°
43°
28
67°
44°
29
66°
42°
30
63°
39°
1
63°
46°
2
69°
42°
3
69°
38°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Traunreut
Traunreut's September 2026 forecast shows daily high temperatures ranging from 63° to 78°, with overnight lows between 38° and 54°. The average high for September is 69° with an average low of 47°. 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 Traunreut. See also: October | November | December.