S
M
T
W
T
F
S
30
79°
55°
31
79°
56°
1
78°
52°
2
74°
56°
3
78°
54°
4
78°
54°
5
77°
55°
6
78°
54°
7
77°
46°
8
69°
44°
9
67°
53°
10
69°
52°
11
67°
51°
12
72°
54°
13
73°
52°
14
74°
54°
15
75°
53°
16
65°
51°
17
66°
43°
18
68°
41°
19
Hist. Avg.
67°
45°
20
Hist. Avg.
66°
45°
21
Hist. Avg.
66°
44°
22
Hist. Avg.
66°
44°
23
Hist. Avg.
65°
44°
24
Hist. Avg.
65°
43°
25
Hist. Avg.
64°
43°
26
Hist. Avg.
64°
42°
27
Hist. Avg.
64°
42°
28
Hist. Avg.
63°
42°
29
Hist. Avg.
63°
41°
30
Hist. Avg.
62°
41°
1
Hist. Avg.
62°
40°
2
Hist. Avg.
62°
40°
3
Hist. Avg.
61°
40°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
September Weather in Federal Dam
Federal Dam's September 2026 forecast shows daily high temperatures ranging from 65° to 79°, with overnight lows between 41° and 56°. The average high for September is 73° with an average low of 52°. 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.
