S
M
T
W
T
F
S
30
62°
53°
31
64°
52°
1
62°
51°
2
63°
51°
3
64°
52°
4
61°
52°
5
63°
51°
6
63°
52°
7
64°
52°
8
62°
51°
9
61°
52°
10
62°
52°
11
63°
51°
12
62°
51°
13
61°
50°
14
61°
51°
15
60°
50°
16
58°
51°
17
60°
50°
18
59°
51°
19
58°
50°
20
60°
49°
21
55°
48°
22
55°
48°
23
56°
47°
24
54°
47°
25
55°
46°
26
56°
49°
27
55°
48°
28
54°
45°
29
53°
45°
30
53°
46°
1
55°
48°
2
55°
47°
3
54°
46°
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 53° to 64°, with overnight lows between 45° and 53°. The average high for September is 59° 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 Waterfall. See also: October | November | December.
