S
M
T
W
T
F
S
30
90°
68°
31
87°
66°
1
83°
64°
2
86°
65°
3
87°
65°
4
88°
64°
5
88°
62°
6
83°
60°
7
79°
59°
8
80°
55°
9
78°
54°
10
75°
51°
11
75°
50°
12
78°
57°
13
74°
57°
14
78°
56°
15
79°
55°
16
76°
54°
17
78°
57°
18
78°
55°
19
77°
53°
20
76°
55°
21
78°
55°
22
78°
54°
23
77°
55°
24
78°
55°
25
77°
54°
26
76°
54°
27
77°
53°
28
77°
53°
29
76°
52°
30
76°
54°
1
75°
54°
2
76°
53°
3
75°
50°
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 74° to 90°, with overnight lows between 50° and 68°. The average high for September is 79° 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 Lismore. See also: October | November | December.
