S
M
T
W
T
F
S
30
94°
65°
31
N/A
1
91°
64°
2
92°
65°
3
94°
66°
4
90°
63°
5
92°
65°
6
92°
64°
7
92°
64°
8
95°
63°
9
92°
62°
10
90°
61°
11
88°
60°
12
89°
61°
13
88°
60°
14
86°
52°
15
89°
53°
16
88°
56°
17
89°
57°
18
88°
56°
19
88°
56°
20
88°
54°
21
87°
54°
22
87°
53°
23
86°
54°
24
86°
54°
25
85°
53°
26
79°
53°
27
76°
52°
28
76°
51°
29
75°
50°
30
75°
48°
1
76°
47°
2
77°
46°
3
77°
47°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in El Cerro Mission
El Cerro Mission's September 2026 forecast shows daily high temperatures ranging from 75° to 95°, with overnight lows between 46° and 66°. The average high for September is 86° 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 El Cerro Mission. See also: October | November | December.
