S
M
T
W
T
F
S
30
90°
79°
31
90°
80°
1
89°
79°
2
90°
79°
3
90°
78°
4
89°
78°
5
89°
77°
6
90°
79°
7
90°
79°
8
89°
78°
9
90°
77°
10
90°
78°
11
89°
79°
12
90°
77°
13
89°
79°
14
89°
79°
15
90°
78°
16
89°
78°
17
89°
77°
18
90°
79°
19
90°
79°
20
89°
78°
21
90°
79°
22
89°
79°
23
90°
77°
24
89°
78°
25
90°
79°
26
89°
78°
27
91°
79°
28
90°
77°
29
90°
78°
30
90°
79°
1
Hist. Avg.
89°
75°
2
Hist. Avg.
89°
75°
3
Hist. Avg.
89°
75°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in El Palmar
El Palmar's September 2026 forecast shows daily high temperatures ranging from 89° to 91°, with overnight lows between 77° and 80°. The average high for September is 90° with an average low of 78°. 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 Palmar. See also: October | November | December.