S
M
T
W
T
F
S
31
62°
41°
1
64°
44°
2
72°
46°
3
70°
46°
4
70°
48°
5
76°
52°
6
90°
62°
7
74°
58°
8
73°
47°
9
60°
45°
10
63°
46°
11
65°
43°
12
65°
41°
13
75°
41°
14
85°
52°
15
74°
56°
16
68°
48°
17
68°
42°
18
81°
47°
19
70°
47°
20
65°
42°
21
68°
49°
22
72°
43°
23
71°
36°
24
76°
46°
25
80°
43°
26
79°
52°
27
69°
44°
28
72°
46°
29
70°
54°
30
69°
44°
1
69°
43°
2
66°
45°
3
83°
47°
4
98°
59°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Port Lincoln
Port Lincoln's September 2025 forecast shows daily high temperatures ranging from ° to °, with overnight lows between ° and °. The average high for September is ° with an average low of °. 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 Port Lincoln. See also: October | November | December.
