S
M
T
W
T
F
S
30
69°
49°
31
70°
55°
1
75°
58°
2
79°
53°
3
80°
57°
4
78°
49°
5
69°
50°
6
70°
55°
7
74°
54°
8
69°
49°
9
68°
53°
10
66°
54°
11
67°
53°
12
67°
52°
13
66°
52°
14
68°
51°
15
75°
55°
16
75°
48°
17
70°
47°
18
69°
47°
19
74°
50°
20
74°
56°
21
70°
48°
22
65°
48°
23
64°
49°
24
64°
45°
25
65°
45°
26
65°
46°
27
64°
53°
28
63°
52°
29
64°
49°
30
64°
51°
1
70°
53°
2
67°
51°
3
66°
46°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Pacific
Pacific's September 2026 forecast shows daily high temperatures ranging from 63° to 80°, with overnight lows between 45° and 58°. The average high for September is 69° with an average low of 51°. 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 Pacific. See also: October | November | December.
