S
M
T
W
T
F
S
30
95°
77°
31
95°
78°
1
97°
78°
2
97°
77°
3
96°
72°
4
95°
72°
5
91°
75°
6
92°
77°
7
96°
77°
8
97°
76°
9
96°
77°
10
97°
76°
11
96°
76°
12
96°
75°
13
95°
76°
14
96°
76°
15
96°
73°
16
92°
72°
17
92°
75°
18
94°
74°
19
92°
75°
20
91°
75°
21
93°
74°
22
94°
74°
23
91°
73°
24
90°
72°
25
91°
73°
26
93°
73°
27
94°
74°
28
94°
73°
29
92°
73°
30
89°
72°
1
93°
72°
2
90°
71°
3
90°
69°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Edinburg
Edinburg's September 2026 forecast shows daily high temperatures ranging from 89° to 97°, with overnight lows between 69° and 78°. The average high for September is 94° with an average low of 74°. 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 Edinburg. See also: October | November | December.
