S
M
T
W
T
F
S
30
98°
76°
31
93°
76°
1
92°
75°
2
95°
76°
3
97°
76°
4
97°
75°
5
96°
76°
6
97°
74°
7
97°
74°
8
96°
74°
9
97°
73°
10
98°
70°
11
97°
71°
12
96°
70°
13
95°
70°
14
95°
71°
15
96°
69°
16
92°
68°
17
88°
67°
18
87°
68°
19
89°
68°
20
92°
70°
21
92°
69°
22
87°
66°
23
93°
65°
24
93°
65°
25
92°
66°
26
91°
67°
27
92°
67°
28
90°
62°
29
86°
63°
30
85°
62°
1
84°
61°
2
85°
59°
3
85°
60°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Eagle Pass
Eagle Pass's September 2026 forecast shows daily high temperatures ranging from 84° to 98°, with overnight lows between 59° and 76°. The average high for September is 92° with an average low of 69°. 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 Eagle Pass. See also: October | November | December.
