S
M
T
W
T
F
S
30
80°
55°
31
76°
58°
1
77°
52°
2
76°
50°
3
76°
56°
4
82°
59°
5
79°
59°
6
82°
56°
7
83°
57°
8
76°
58°
9
75°
52°
10
79°
49°
11
75°
52°
12
77°
53°
13
77°
52°
14
78°
56°
15
79°
57°
16
81°
56°
17
80°
50°
18
79°
44°
19
71°
45°
20
70°
46°
21
71°
48°
22
77°
54°
23
77°
54°
24
78°
51°
25
79°
42°
26
76°
43°
27
67°
42°
28
65°
41°
29
67°
42°
30
69°
50°
1
66°
45°
2
65°
39°
3
Hist. Avg.
69°
42°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Lacona
Lacona's September 2026 forecast shows daily high temperatures ranging from 65° to 83°, with overnight lows between 39° and 59°. The average high for September is 75° with an average low of 51°. 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 Lacona. See also: October | November | December.