S
M
T
W
T
F
S
30
100°
75°
31
100°
76°
1
93°
75°
2
99°
74°
3
97°
76°
4
91°
72°
5
95°
73°
6
97°
73°
7
95°
74°
8
99°
75°
9
97°
70°
10
93°
71°
11
100°
75°
12
101°
74°
13
102°
74°
14
98°
73°
15
95°
70°
16
92°
67°
17
94°
64°
18
91°
62°
19
87°
63°
20
88°
63°
21
89°
62°
22
87°
61°
23
87°
58°
24
86°
56°
25
85°
62°
26
80°
61°
27
79°
61°
28
80°
60°
29
80°
57°
30
81°
54°
1
83°
57°
2
81°
54°
3
81°
56°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in San Elizario
San Elizario's September 2026 forecast shows daily high temperatures ranging from 79° to 102°, with overnight lows between 54° and 75°. The average high for September is 88° with an average low of 63°. 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 Elizario. See also: October | November | December.