S
M
T
W
T
F
S
30
95°
61°
31
89°
58°
1
89°
53°
2
87°
44°
3
85°
45°
4
87°
51°
5
93°
51°
6
89°
67°
7
100°
65°
8
103°
71°
9
106°
70°
10
100°
69°
11
95°
65°
12
93°
61°
13
88°
57°
14
87°
55°
15
82°
54°
16
81°
53°
17
81°
58°
18
82°
56°
19
86°
55°
20
86°
53°
21
78°
61°
22
84°
57°
23
90°
48°
24
90°
52°
25
92°
55°
26
98°
55°
27
91°
65°
28
84°
51°
29
84°
50°
30
89°
49°
1
93°
52°
2
101°
57°
3
99°
62°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Poway
Poway'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 Poway. See also: October | November | December.
