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