S
M
T
W
T
F
S
30
83°
58°
31
84°
60°
1
86°
59°
2
80°
58°
3
79°
64°
4
85°
63°
5
85°
64°
6
86°
58°
7
79°
56°
8
79°
62°
9
81°
61°
10
84°
61°
11
81°
63°
12
83°
59°
13
81°
54°
14
76°
53°
15
76°
53°
16
77°
54°
17
76°
57°
18
81°
60°
19
82°
58°
20
81°
59°
21
80°
58°
22
81°
59°
23
80°
50°
24
81°
49°
25
73°
48°
26
73°
51°
27
73°
48°
28
Hist. Avg.
75°
52°
29
Hist. Avg.
74°
51°
30
Hist. Avg.
74°
51°
1
Hist. Avg.
74°
50°
2
Hist. Avg.
73°
50°
3
Hist. Avg.
73°
50°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
September Weather in Dahlgren
Dahlgren's September 2026 forecast shows daily high temperatures ranging from 73° to 86°, with overnight lows between 48° and 64°. The average high for September is 80° with an average low of 57°. 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 Dahlgren. See also: October | November | December.
