S
M
T
W
T
F
S
30
84°
66°
31
83°
59°
1
79°
58°
2
77°
59°
3
78°
59°
4
78°
60°
5
79°
58°
6
75°
58°
7
75°
57°
8
76°
61°
9
76°
57°
10
75°
57°
11
76°
58°
12
76°
56°
13
75°
57°
14
74°
56°
15
75°
57°
16
75°
56°
17
74°
55°
18
73°
55°
19
75°
54°
20
Hist. Avg.
78°
58°
21
Hist. Avg.
78°
57°
22
Hist. Avg.
77°
57°
23
Hist. Avg.
77°
56°
24
Hist. Avg.
76°
56°
25
Hist. Avg.
76°
55°
26
Hist. Avg.
76°
55°
27
Hist. Avg.
75°
54°
28
Hist. Avg.
75°
54°
29
Hist. Avg.
74°
54°
30
Hist. Avg.
74°
53°
1
Hist. Avg.
74°
53°
2
Hist. Avg.
73°
52°
3
Hist. Avg.
73°
52°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
September Weather in Annandale
Annandale's September 2026 forecast shows daily high temperatures ranging from 73° to 84°, with overnight lows between 54° and 66°. The average high for September is 77° with an average low of 58°. 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 Annandale. See also: October | November | December.
