S
M
T
W
T
F
S
30
88°
62°
31
84°
59°
1
78°
64°
2
81°
59°
3
78°
57°
4
78°
59°
5
79°
62°
6
83°
63°
7
85°
62°
8
82°
61°
9
79°
62°
10
85°
55°
11
77°
54°
12
76°
54°
13
76°
55°
14
77°
60°
15
82°
61°
16
82°
61°
17
81°
60°
18
79°
52°
19
75°
50°
20
73°
52°
21
72°
56°
22
74°
57°
23
78°
58°
24
79°
59°
25
80°
51°
26
79°
48°
27
73°
50°
28
70°
48°
29
70°
47°
30
70°
54°
1
69°
56°
2
Hist. Avg.
73°
51°
3
Hist. Avg.
73°
51°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Lerna
Lerna's September 2026 forecast shows daily high temperatures ranging from 69° to 88°, with overnight lows between 47° and 64°. The average high for September is 78° with an average low of 57°. 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 Lerna. See also: October | November | December.
