S
M
T
W
T
F
S
30
75°
61°
31
73°
55°
1
72°
55°
2
72°
52°
3
70°
52°
4
81°
59°
5
68°
52°
6
70°
48°
7
79°
55°
8
82°
61°
9
61°
44°
10
62°
41°
11
67°
47°
12
68°
49°
13
66°
53°
14
64°
43°
15
69°
51°
16
64°
48°
17
59°
45°
18
62°
46°
19
65°
47°
20
65°
49°
21
66°
50°
22
60°
48°
23
62°
46°
24
61°
48°
25
63°
48°
26
56°
46°
27
54°
48°
28
57°
42°
29
52°
40°
30
51°
40°
1
51°
39°
2
52°
38°
3
55°
39°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Sankt Kilian
Sankt Kilian's September 2026 forecast shows daily high temperatures ranging from 51° to 69°, with overnight lows between 38° and 53°. The average high for September is 60° with an average low of 45°. 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 Sankt Kilian. See also: October | November | December.
