S
M
T
W
T
F
S
30
76°
64°
31
83°
60°
1
80°
56°
2
78°
56°
3
83°
63°
4
80°
64°
5
79°
64°
6
82°
56°
7
73°
60°
8
72°
57°
9
71°
54°
10
72°
49°
11
69°
49°
12
71°
48°
13
68°
49°
14
70°
48°
15
75°
53°
16
73°
52°
17
73°
54°
18
71°
53°
19
69°
52°
20
73°
52°
21
74°
53°
22
73°
52°
23
72°
53°
24
74°
53°
25
73°
52°
26
72°
52°
27
73°
51°
28
73°
51°
29
71°
50°
30
71°
51°
1
70°
51°
2
71°
50°
3
69°
48°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Federal Dam
Federal Dam's September 2026 forecast shows daily high temperatures ranging from 68° to 83°, with overnight lows between 48° and 64°. The average high for September is 73° with an average low of 53°. 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 Federal Dam. See also: October | November | December.
