S
M
T
W
T
F
S
30
70°
59°
31
66°
55°
1
70°
54°
2
68°
55°
3
70°
55°
4
77°
61°
5
71°
47°
6
72°
54°
7
84°
60°
8
69°
53°
9
64°
47°
10
65°
50°
11
63°
52°
12
61°
49°
13
62°
51°
14
62°
50°
15
64°
52°
16
67°
52°
17
66°
49°
18
68°
49°
19
64°
48°
20
68°
50°
21
67°
54°
22
68°
53°
23
69°
53°
24
70°
52°
25
70°
50°
26
67°
46°
27
64°
45°
28
66°
44°
29
66°
44°
30
65°
52°
1
65°
47°
2
61°
46°
3
65°
47°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Klotten
Klotten's September 2026 forecast shows daily high temperatures ranging from 61° to 84°, with overnight lows between 44° and 60°. The average high for September is 67° with an average low of 50°. 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 Klotten. See also: October | November | December.
