S
M
T
W
T
F
S
30
72°
50°
31
71°
51°
1
72°
48°
2
72°
54°
3
77°
53°
4
80°
56°
5
73°
54°
6
76°
52°
7
77°
48°
8
73°
53°
9
71°
46°
10
72°
52°
11
75°
52°
12
76°
50°
13
70°
48°
14
72°
56°
15
77°
55°
16
79°
44°
17
75°
42°
18
67°
40°
19
65°
41°
20
66°
43°
21
66°
42°
22
73°
51°
23
72°
45°
24
69°
41°
25
66°
39°
26
65°
41°
27
65°
41°
28
64°
39°
29
63°
40°
30
65°
38°
1
Hist. Avg.
68°
42°
2
Hist. Avg.
68°
42°
3
Hist. Avg.
68°
41°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Lismore
Lismore's September 2026 forecast shows daily high temperatures ranging from 63° to 80°, with overnight lows between 38° and 56°. The average high for September is 71° with an average low of 47°. 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 Lismore. See also: October | November | December.
