S
M
T
W
T
F
S
30
88°
55°
31
82°
55°
1
73°
50°
2
77°
48°
3
77°
50°
4
73°
59°
5
81°
54°
6
81°
52°
7
84°
54°
8
93°
55°
9
99°
63°
10
99°
64°
11
93°
59°
12
88°
57°
13
77°
50°
14
82°
48°
15
84°
52°
16
79°
54°
17
73°
48°
18
79°
48°
19
82°
52°
20
84°
55°
21
82°
55°
22
82°
54°
23
88°
55°
24
93°
57°
25
84°
54°
26
84°
54°
27
82°
55°
28
75°
59°
29
85°
59°
30
90°
61°
1
92°
65°
2
90°
57°
3
89°
58°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in El Portal
El Portal's September 2026 forecast shows daily high temperatures ranging from 75° to 92°, with overnight lows between 55° and 65°. The average high for September is 86° with an average low of 59°. 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 Portal. See also: October | November | December.
