S
M
T
W
T
F
S
30
88°
65°
31
85°
58°
1
82°
57°
2
82°
58°
3
83°
59°
4
84°
62°
5
85°
63°
6
81°
63°
7
81°
62°
8
82°
58°
9
80°
56°
10
79°
56°
11
80°
54°
12
79°
55°
13
78°
56°
14
77°
54°
15
78°
56°
16
78°
55°
17
77°
56°
18
78°
59°
19
82°
60°
20
82°
60°
21
Hist. Avg.
78°
56°
22
Hist. Avg.
78°
56°
23
Hist. Avg.
77°
55°
24
Hist. Avg.
77°
55°
25
Hist. Avg.
76°
54°
26
Hist. Avg.
76°
54°
27
Hist. Avg.
76°
54°
28
Hist. Avg.
75°
53°
29
Hist. Avg.
75°
53°
30
Hist. Avg.
75°
52°
1
Hist. Avg.
74°
52°
2
Hist. Avg.
74°
52°
3
Hist. Avg.
73°
51°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
September Weather in Lavalette
Lavalette's September 2026 forecast shows daily high temperatures ranging from 77° to 88°, with overnight lows between 54° and 65°. The average high for September is 81° 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 Lavalette. See also: October | November | December.