S
M
T
W
T
F
S
30
82°
70°
31
92°
74°
1
95°
73°
2
94°
71°
3
96°
74°
4
96°
73°
5
93°
66°
6
81°
58°
7
80°
60°
8
90°
70°
9
88°
61°
10
81°
56°
11
83°
62°
12
84°
64°
13
89°
62°
14
82°
59°
15
83°
60°
16
82°
60°
17
82°
61°
18
79°
54°
19
77°
60°
20
80°
60°
21
78°
59°
22
74°
58°
23
75°
58°
24
81°
57°
25
81°
59°
26
80°
59°
27
81°
58°
28
82°
59°
29
81°
60°
30
78°
58°
1
78°
52°
2
69°
47°
3
66°
43°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Lacon
Lacon's September 2026 forecast shows daily high temperatures ranging from 66° to 93°, with overnight lows between 43° and 70°. The average high for September is 81° with an average low of 59°. 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 Lacon. See also: October | November | December.
