S
M
T
W
T
F
S
30
61°
49°
31
62°
54°
1
62°
53°
2
61°
52°
3
61°
53°
4
64°
51°
5
64°
52°
6
60°
50°
7
61°
51°
8
58°
50°
9
59°
49°
10
58°
50°
11
57°
49°
12
57°
46°
13
58°
45°
14
57°
45°
15
56°
46°
16
55°
46°
17
55°
47°
18
56°
45°
19
55°
45°
20
58°
47°
21
55°
46°
22
56°
46°
23
54°
47°
24
56°
49°
25
55°
48°
26
58°
47°
27
59°
48°
28
59°
45°
29
56°
44°
30
53°
46°
1
53°
43°
2
54°
42°
3
52°
43°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Waterfall
Waterfall's September 2026 forecast shows daily high temperatures ranging from 52° to 64°, with overnight lows between 42° and 54°. The average high for September is 58° with an average low of 48°. 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 Waterfall. See also: October | November | December.
