S
M
T
W
T
F
S
30
73°
57°
31
66°
57°
1
73°
60°
2
82°
56°
3
74°
54°
4
70°
53°
5
72°
55°
6
69°
59°
7
78°
50°
8
75°
65°
9
82°
66°
10
74°
60°
11
67°
60°
12
68°
58°
13
72°
57°
14
73°
58°
15
70°
59°
16
71°
58°
17
73°
58°
18
72°
58°
19
71°
57°
20
71°
59°
21
73°
55°
22
69°
55°
23
71°
56°
24
73°
55°
25
72°
55°
26
69°
57°
27
75°
58°
28
76°
59°
29
76°
60°
30
75°
59°
1
76°
59°
2
77°
58°
3
76°
58°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Pacifica
Pacifica's September 2026 forecast shows daily high temperatures ranging from 67° to 82°, with overnight lows between 55° and 66°. The average high for September is 73° with an average low of 58°. 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 Pacifica. See also: October | November | December.
