S
M
T
W
T
F
S
30
65°
53°
31
64°
54°
1
65°
56°
2
67°
58°
3
66°
58°
4
67°
57°
5
66°
55°
6
64°
54°
7
65°
53°
8
67°
56°
9
67°
55°
10
66°
58°
11
67°
55°
12
66°
52°
13
62°
51°
14
63°
55°
15
62°
56°
16
63°
58°
17
65°
54°
18
65°
54°
19
62°
57°
20
66°
56°
21
66°
54°
22
63°
51°
23
60°
49°
24
60°
51°
25
61°
53°
26
62°
52°
27
61°
54°
28
60°
56°
29
62°
55°
30
63°
54°
1
64°
55°
2
63°
52°
3
61°
52°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Perranporth
Perranporth's September 2026 forecast shows daily high temperatures ranging from 60° to 67°, with overnight lows between 49° and 58°. The average high for September is 64° with an average low of 54°. 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 Perranporth. See also: October | November | December.
