S
M
T
W
T
F
S
30
88°
53°
31
86°
53°
1
87°
52°
2
90°
54°
3
87°
53°
4
85°
52°
5
86°
51°
6
87°
47°
7
88°
53°
8
87°
52°
9
86°
52°
10
88°
51°
11
87°
52°
12
87°
51°
13
85°
52°
14
86°
50°
15
83°
49°
16
84°
47°
17
79°
50°
18
77°
49°
19
78°
42°
20
76°
43°
21
74°
39°
22
76°
41°
23
77°
44°
24
81°
45°
25
81°
46°
26
82°
43°
27
82°
46°
28
81°
40°
29
76°
41°
30
74°
44°
1
78°
42°
2
81°
44°
3
79°
43°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in San Pedro
San Pedro's September 2026 forecast shows daily high temperatures ranging from 74° to 90°, with overnight lows between 39° and 54°. The average high for September is 83° with an average low of 48°. 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 San Pedro. See also: October | November | December.
