S
M
T
W
T
F
S
30
93°
67°
31
92°
68°
1
92°
68°
2
90°
65°
3
88°
61°
4
85°
62°
5
87°
66°
6
89°
65°
7
90°
66°
8
89°
65°
9
89°
66°
10
90°
64°
11
89°
59°
12
82°
58°
13
82°
62°
14
84°
63°
15
83°
64°
16
82°
63°
17
85°
62°
18
81°
57°
19
79°
53°
20
78°
54°
21
78°
55°
22
80°
58°
23
82°
60°
24
83°
61°
25
84°
58°
26
83°
53°
27
80°
56°
28
77°
52°
29
75°
51°
30
76°
53°
1
Hist. Avg.
N/A
2
Hist. Avg.
N/A
3
Hist. Avg.
N/A
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Lavinia
Lavinia's September 2026 forecast shows daily high temperatures ranging from 75° to 93°, with overnight lows between 51° and 68°. The average high for September is 84° with an average low of 60°. 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 Lavinia. See also: October | November | December.