S
M
T
W
T
F
S
30
73°
48°
31
88°
55°
1
69°
58°
2
65°
56°
3
63°
54°
4
66°
54°
5
71°
54°
6
64°
57°
7
73°
53°
8
83°
52°
9
87°
56°
10
82°
54°
11
72°
49°
12
65°
55°
13
64°
52°
14
71°
55°
15
70°
52°
16
81°
55°
17
87°
53°
18
70°
53°
19
76°
48°
20
80°
50°
21
73°
54°
22
74°
54°
23
71°
51°
24
N/A
25
64°
50°
26
69°
47°
27
75°
44°
28
69°
46°
29
70°
54°
30
69°
50°
1
71°
52°
2
69°
48°
3
74°
50°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
September Weather in Cedar Mill
Cedar Mill's September 2026 forecast shows daily high temperatures ranging from 69° to 75°, with overnight lows between 44° and 54°. The average high for September is 71° 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 Cedar Mill. See also: October | November | December.
