S
M
T
W
T
F
S
30
92°
70°
31
88°
62°
1
85°
60°
2
84°
63°
3
85°
64°
4
85°
67°
5
86°
68°
6
88°
68°
7
89°
70°
8
88°
69°
9
89°
67°
10
88°
68°
11
88°
63°
12
90°
67°
13
91°
67°
14
91°
68°
15
90°
67°
16
90°
67°
17
89°
66°
18
86°
63°
19
82°
62°
20
84°
62°
21
86°
63°
22
87°
64°
23
86°
64°
24
83°
61°
25
79°
58°
26
78°
58°
27
77°
57°
28
78°
57°
29
80°
59°
30
80°
61°
1
79°
59°
2
82°
60°
3
85°
64°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Pacoima
Pacoima's September 2026 forecast shows daily high temperatures ranging from 77° to 91°, with overnight lows between 57° and 70°. The average high for September is 85° with an average low of 64°. 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 Pacoima. See also: October | November | December.