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