S
M
T
W
T
F
S
30
72°
53°
31
76°
56°
1
73°
55°
2
74°
52°
3
69°
49°
4
68°
49°
5
69°
50°
6
72°
54°
7
76°
53°
8
73°
48°
9
66°
46°
10
67°
52°
11
65°
39°
12
63°
46°
13
63°
45°
14
64°
44°
15
63°
40°
16
64°
41°
17
64°
41°
18
63°
42°
19
63°
37°
20
60°
36°
21
62°
37°
22
64°
47°
23
68°
43°
24
71°
48°
25
73°
48°
26
74°
47°
27
72°
42°
28
71°
46°
29
63°
39°
30
60°
45°
1
59°
46°
2
69°
35°
3
71°
33°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Brisbane
Brisbane's September 2026 forecast shows daily high temperatures ranging from 59° to 76°, with overnight lows between 33° and 56°. The average high for September is 68° with an average low of 45°. 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 Brisbane. See also: October | November | December.
