S
M
T
W
T
F
S
30
88°
73°
31
88°
73°
1
89°
72°
2
88°
73°
3
89°
73°
4
90°
72°
5
90°
72°
6
89°
73°
7
89°
71°
8
90°
71°
9
91°
72°
10
89°
71°
11
88°
71°
12
88°
72°
13
89°
71°
14
91°
72°
15
89°
71°
16
89°
71°
17
90°
72°
18
90°
71°
19
91°
70°
20
87°
71°
21
90°
71°
22
90°
72°
23
91°
72°
24
89°
71°
25
89°
73°
26
88°
72°
27
89°
72°
28
88°
71°
29
90°
72°
30
87°
70°
1
88°
71°
2
89°
67°
3
86°
66°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Pasadena Hills
Pasadena Hills's September 2026 forecast shows daily high temperatures ranging from 86° to 91°, with overnight lows between 66° and 73°. The average high for September is 89° with an average low of 71°. 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 Pasadena Hills. See also: October | November | December.
