S
M
T
W
T
F
S
30
91°
69°
31
91°
70°
1
90°
69°
2
90°
69°
3
89°
68°
4
91°
70°
5
91°
70°
6
90°
68°
7
87°
63°
8
84°
65°
9
85°
66°
10
88°
62°
11
87°
63°
12
87°
63°
13
86°
65°
14
87°
66°
15
88°
67°
16
87°
63°
17
84°
60°
18
81°
59°
19
79°
64°
20
80°
59°
21
80°
58°
22
78°
60°
23
79°
63°
24
78°
63°
25
81°
62°
26
84°
63°
27
81°
62°
28
83°
63°
29
83°
62°
30
78°
61°
1
77°
60°
2
80°
55°
3
76°
54°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Alexandria
Alexandria's September 2026 forecast shows daily high temperatures ranging from 76° to 91°, with overnight lows between 54° and 70°. The average high for September is 84° with an average low of 64°. 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.
