S
M
T
W
T
F
S
30
70°
57°
31
77°
57°
1
77°
56°
2
78°
53°
3
76°
48°
4
75°
54°
5
76°
46°
6
75°
47°
7
68°
53°
8
67°
53°
9
71°
49°
10
67°
46°
11
66°
52°
12
73°
44°
13
70°
49°
14
71°
50°
15
72°
53°
16
66°
43°
17
67°
45°
18
Hist. Avg.
69°
46°
19
Hist. Avg.
69°
46°
20
Hist. Avg.
68°
45°
21
Hist. Avg.
68°
45°
22
Hist. Avg.
68°
45°
23
Hist. Avg.
67°
45°
24
Hist. Avg.
67°
44°
25
Hist. Avg.
67°
44°
26
Hist. Avg.
67°
44°
27
Hist. Avg.
66°
43°
28
Hist. Avg.
66°
43°
29
Hist. Avg.
66°
43°
30
Hist. Avg.
65°
42°
1
Hist. Avg.
65°
42°
2
Hist. Avg.
65°
42°
3
Hist. Avg.
64°
41°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
September Weather in Alexandria
Alexandria's September 2026 forecast shows daily high temperatures ranging from 66° to 78°, with overnight lows between 43° and 57°. The average high for September is 72° with an average low of 50°. 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 Alexandria. See also: October | November | December.
