S
M
T
W
T
F
S
30
62°
51°
31
60°
53°
1
60°
51°
2
67°
52°
3
65°
53°
4
68°
52°
5
64°
53°
6
63°
52°
7
65°
53°
8
64°
54°
9
64°
54°
10
58°
49°
11
57°
48°
12
57°
48°
13
58°
49°
14
57°
50°
15
57°
49°
16
58°
49°
17
56°
48°
18
60°
48°
19
60°
50°
20
59°
50°
21
56°
49°
22
59°
49°
23
58°
48°
24
57°
49°
25
55°
48°
26
57°
46°
27
58°
43°
28
57°
44°
29
54°
46°
30
58°
45°
1
57°
44°
2
53°
47°
3
52°
47°
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 68°, with overnight lows between 43° and 54°. The average high for September is 59° with an average low of 49°. 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.
