S
M
T
W
T
F
S
31
78°
58°
1
78°
53°
2
79°
51°
3
69°
47°
4
69°
42°
5
64°
47°
6
66°
41°
7
69°
39°
8
78°
46°
9
78°
56°
10
82°
59°
11
84°
54°
12
88°
58°
13
95°
66°
14
93°
64°
15
89°
68°
16
90°
63°
17
77°
61°
18
81°
60°
19
77°
62°
20
73°
55°
21
78°
58°
22
85°
58°
23
77°
56°
24
78°
54°
25
80°
47°
26
89°
51°
27
85°
52°
28
84°
43°
29
89°
55°
30
88°
53°
1
83°
58°
2
89°
56°
3
91°
59°
4
89°
66°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Cedar Falls
Cedar Falls's September 2025 forecast shows daily high temperatures ranging from ° to °, with overnight lows between ° and °. The average high for September is ° with an average low of °. 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 Cedar Falls. See also: October | November | December.
