S
M
T
W
T
F
S
30
88°
59°
31
89°
56°
1
90°
56°
2
89°
55°
3
88°
54°
4
86°
53°
5
85°
54°
6
85°
56°
7
87°
56°
8
89°
57°
9
86°
54°
10
86°
54°
11
87°
55°
12
86°
56°
13
87°
58°
14
90°
59°
15
91°
60°
16
91°
60°
17
92°
59°
18
91°
58°
19
89°
59°
20
90°
57°
21
89°
56°
22
88°
54°
23
83°
54°
24
84°
55°
25
89°
57°
26
82°
56°
27
81°
56°
28
80°
50°
29
79°
51°
30
Hist. Avg.
83°
51°
1
Hist. Avg.
83°
51°
2
Hist. Avg.
82°
50°
3
Hist. Avg.
82°
50°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
September Weather in San Diego Country Estates
San Diego Country Estates's September 2026 forecast shows daily high temperatures ranging from 79° to 92°, with overnight lows between 50° and 60°. The average high for September is 87° with an average low of 56°. 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 San Diego Country Estates. See also: October | November | December.
