S
M
T
W
T
F
S
30
62°
50°
31
64°
51°
1
62°
48°
2
61°
51°
3
63°
52°
4
62°
51°
5
62°
52°
6
61°
51°
7
63°
50°
8
63°
51°
9
62°
50°
10
63°
47°
11
63°
48°
12
62°
44°
13
62°
51°
14
57°
51°
15
62°
50°
16
60°
51°
17
58°
50°
18
58°
50°
19
57°
49°
20
56°
47°
21
55°
44°
22
56°
49°
23
56°
49°
24
55°
50°
25
58°
49°
26
58°
48°
27
55°
43°
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 55° to 64°, with overnight lows between 43° and 52°. The average high for September is 60° 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.
