S
M
T
W
T
F
S
30
71°
52°
31
72°
58°
1
72°
58°
2
71°
54°
3
68°
51°
4
65°
51°
5
64°
52°
6
64°
51°
7
68°
50°
8
70°
53°
9
71°
55°
10
67°
54°
11
70°
54°
12
64°
53°
13
64°
53°
14
63°
52°
15
63°
55°
16
64°
55°
17
63°
54°
18
62°
53°
19
63°
52°
20
64°
47°
21
67°
51°
22
68°
48°
23
67°
49°
24
67°
50°
25
64°
48°
26
61°
47°
27
66°
47°
28
63°
49°
29
60°
46°
30
64°
44°
1
59°
47°
2
65°
46°
3
65°
43°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Pfaffikon
Pfaffikon's September 2026 forecast shows daily high temperatures ranging from 59° to 72°, with overnight lows between 43° and 58°. The average high for September is 66° with an average low of 51°. 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 Pfaffikon. See also: October | November | December.