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
81°
51°
9
85°
56°
10
76°
60°
11
72°
59°
12
69°
52°
13
68°
59°
14
72°
50°
15
69°
47°
16
61°
55°
17
72°
61°
18
69°
58°
19
70°
57°
20
76°
55°
21
64°
56°
22
63°
53°
23
68°
48°
24
72°
49°
25
68°
59°
26
68°
55°
27
74°
58°
28
69°
55°
29
71°
48°
30
71°
49°
1
69°
51°
2
69°
53°
3
78°
52°
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 ° to °, with overnight lows between ° and °. The average high for September is ° with an average low of °. 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.
