S
M
T
W
T
F
S
30
60°
46°
31
63°
48°
1
66°
47°
2
65°
44°
3
60°
43°
4
66°
45°
5
65°
38°
6
60°
39°
7
59°
38°
8
57°
38°
9
Hist. Avg.
62°
39°
10
Hist. Avg.
61°
39°
11
Hist. Avg.
61°
39°
12
Hist. Avg.
61°
39°
13
Hist. Avg.
60°
38°
14
Hist. Avg.
60°
38°
15
Hist. Avg.
60°
38°
16
Hist. Avg.
59°
37°
17
Hist. Avg.
59°
37°
18
Hist. Avg.
59°
37°
19
Hist. Avg.
59°
37°
20
Hist. Avg.
58°
36°
21
Hist. Avg.
58°
36°
22
Hist. Avg.
58°
36°
23
Hist. Avg.
58°
36°
24
Hist. Avg.
57°
36°
25
Hist. Avg.
57°
35°
26
Hist. Avg.
57°
35°
27
Hist. Avg.
57°
35°
28
Hist. Avg.
57°
35°
29
Hist. Avg.
56°
34°
30
Hist. Avg.
56°
34°
1
Hist. Avg.
56°
34°
2
Hist. Avg.
55°
34°
3
Hist. Avg.
55°
33°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
September Weather in Windfall
Windfall's September 2026 forecast shows daily high temperatures ranging from 57° to 66°, with overnight lows between 38° and 48°. The average high for September is 62° with an average low of 43°. 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 Windfall. See also: October | November | December.
