S
M
T
W
T
F
S
30
86°
65°
31
86°
65°
1
85°
63°
2
80°
59°
3
78°
58°
4
78°
59°
5
79°
57°
6
79°
59°
7
85°
63°
8
84°
63°
9
84°
62°
10
85°
64°
11
85°
63°
12
86°
64°
13
85°
64°
14
84°
60°
15
82°
55°
16
75°
54°
17
76°
53°
18
74°
52°
19
73°
51°
20
74°
50°
21
78°
51°
22
78°
55°
23
80°
52°
24
80°
49°
25
72°
48°
26
73°
49°
27
75°
55°
28
77°
56°
29
78°
48°
30
73°
47°
1
70°
54°
2
71°
54°
3
75°
50°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Louisa
Louisa's September 2026 forecast shows daily high temperatures ranging from 70° to 86°, with overnight lows between 47° and 65°. The average high for September is 79° with an average low of 56°. 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 Louisa. See also: October | November | December.
