S
M
T
W
T
F
S
30
97°
72°
31
97°
73°
1
100°
74°
2
102°
73°
3
104°
74°
4
99°
77°
5
93°
72°
6
90°
73°
7
99°
74°
8
97°
72°
9
99°
73°
10
98°
70°
11
101°
71°
12
99°
74°
13
96°
73°
14
97°
72°
15
96°
71°
16
93°
70°
17
94°
71°
18
94°
71°
19
90°
70°
20
92°
71°
21
93°
70°
22
92°
71°
23
84°
66°
24
88°
64°
25
89°
66°
26
88°
65°
27
86°
65°
28
88°
64°
29
88°
65°
30
87°
64°
1
88°
64°
2
83°
63°
3
83°
64°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Hidalgo
Hidalgo's September 2026 forecast shows daily high temperatures ranging from 83° to 101°, with overnight lows between 63° and 74°. The average high for September is 91° with an average low of 68°. 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 Hidalgo. See also: October | November | December.