S
M
T
W
T
F
S
30
89°
63°
31
89°
63°
1
88°
62°
2
86°
61°
3
83°
60°
4
84°
62°
5
87°
62°
6
85°
61°
7
87°
62°
8
87°
62°
9
86°
61°
10
87°
62°
11
83°
60°
12
86°
62°
13
88°
60°
14
87°
61°
15
86°
60°
16
85°
59°
17
84°
58°
18
80°
58°
19
75°
57°
20
75°
59°
21
82°
59°
22
84°
58°
23
77°
58°
24
78°
57°
25
76°
57°
26
81°
56°
27
81°
56°
28
80°
57°
29
80°
57°
30
79°
55°
1
75°
54°
2
77°
55°
3
80°
56°
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 75° to 89°, with overnight lows between 54° and 63°. The average high for September is 83° with an average low of 59°. 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.
