S
M
T
W
T
F
S
30
92°
66°
31
98°
68°
1
100°
72°
2
100°
74°
3
100°
73°
4
101°
74°
5
100°
73°
6
89°
64°
7
87°
60°
8
95°
59°
9
93°
70°
10
79°
67°
11
84°
65°
12
92°
66°
13
85°
57°
14
87°
56°
15
100°
68°
16
92°
71°
17
94°
69°
18
87°
70°
19
93°
69°
20
81°
63°
21
73°
59°
22
68°
55°
23
74°
55°
24
75°
54°
25
72°
55°
26
74°
53°
27
79°
56°
28
78°
55°
29
76°
54°
30
81°
48°
1
77°
56°
2
76°
55°
3
68°
54°
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 68° to 94°, with overnight lows between 48° and 70°. The average high for September is 78° with an average low of 58°. 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.
