S
M
T
W
T
F
S
30
93°
71°
31
91°
67°
1
87°
63°
2
83°
53°
3
83°
57°
4
83°
57°
5
85°
66°
6
87°
68°
7
90°
71°
8
90°
68°
9
87°
67°
10
86°
66°
11
85°
66°
12
85°
65°
13
86°
68°
14
85°
66°
15
87°
63°
16
90°
67°
17
89°
67°
18
82°
60°
19
83°
62°
20
84°
64°
21
87°
66°
22
85°
66°
23
86°
65°
24
83°
63°
25
83°
65°
26
87°
66°
27
87°
66°
28
86°
65°
29
87°
66°
30
87°
64°
1
86°
65°
2
84°
65°
3
82°
64°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Escondido
Escondido's September 2026 forecast shows daily high temperatures ranging from 82° to 90°, with overnight lows between 53° and 71°. The average high for September is 86° with an average low of 65°. 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 Escondido. See also: October | November | December.
