S
M
T
W
T
F
S
30
65°
47°
31
71°
43°
1
76°
50°
2
62°
51°
3
64°
50°
4
74°
50°
5
68°
51°
6
73°
48°
7
62°
55°
8
64°
53°
9
60°
52°
10
64°
50°
11
70°
43°
12
76°
44°
13
N/A
14
63°
52°
15
63°
44°
16
64°
41°
17
64°
42°
18
74°
51°
19
81°
52°
20
71°
51°
21
66°
53°
22
73°
58°
23
76°
54°
24
69°
51°
25
70°
50°
26
73°
57°
27
64°
51°
28
64°
53°
29
65°
55°
30
72°
58°
1
74°
56°
2
68°
54°
3
64°
52°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
September Weather in Port Pirie South
Port Pirie South's September 2026 forecast shows daily high temperatures ranging from 63° to 81°, with overnight lows between 41° and 58°. The average high for September is 69° with an average low of 52°. 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 Pirie South. See also: October | November | December.
