S
M
T
W
T
F
S
30
63°
51°
31
64°
53°
1
63°
52°
2
64°
52°
3
64°
53°
4
63°
54°
5
63°
52°
6
60°
50°
7
61°
49°
8
58°
50°
9
58°
45°
10
60°
50°
11
58°
49°
12
61°
50°
13
62°
49°
14
61°
51°
15
58°
51°
16
57°
48°
17
56°
49°
18
57°
50°
19
58°
45°
20
57°
46°
21
58°
48°
22
57°
46°
23
57°
46°
24
57°
48°
25
Hist. Avg.
58°
44°
26
Hist. Avg.
58°
44°
27
Hist. Avg.
57°
44°
28
Hist. Avg.
57°
44°
29
Hist. Avg.
57°
44°
30
Hist. Avg.
57°
44°
1
Hist. Avg.
56°
43°
2
Hist. Avg.
56°
43°
3
Hist. Avg.
56°
43°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
September Weather in Waterfall
Waterfall's September 2026 forecast shows daily high temperatures ranging from 56° to 64°, with overnight lows between 45° and 54°. The average high for September is 60° 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.
