S
M
T
W
T
F
S
30
79°
64°
31
79°
64°
1
76°
63°
2
78°
62°
3
80°
62°
4
79°
63°
5
80°
64°
6
80°
65°
7
79°
64°
8
79°
63°
9
75°
63°
10
76°
62°
11
76°
64°
12
77°
65°
13
78°
64°
14
81°
65°
15
80°
64°
16
80°
62°
17
78°
61°
18
77°
64°
19
79°
61°
20
76°
59°
21
81°
64°
22
Hist. Avg.
78°
60°
23
Hist. Avg.
78°
60°
24
Hist. Avg.
78°
60°
25
Hist. Avg.
78°
60°
26
Hist. Avg.
77°
60°
27
Hist. Avg.
77°
60°
28
Hist. Avg.
77°
60°
29
Hist. Avg.
77°
60°
30
Hist. Avg.
77°
59°
1
Hist. Avg.
77°
59°
2
Hist. Avg.
77°
59°
3
Hist. Avg.
77°
59°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
September Weather in San Pedro
San Pedro's September 2026 forecast shows daily high temperatures ranging from 75° to 81°, with overnight lows between 59° and 65°. The average high for September is 78° with an average low of 63°. 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.
