S
M
T
W
T
F
S
30
102°
78°
31
101°
74°
1
100°
76°
2
101°
73°
3
93°
73°
4
100°
76°
5
100°
71°
6
100°
72°
7
102°
73°
8
103°
77°
9
101°
78°
10
99°
76°
11
96°
76°
12
103°
76°
13
100°
76°
14
99°
76°
15
98°
73°
16
99°
73°
17
99°
72°
18
92°
68°
19
89°
62°
20
89°
67°
21
89°
67°
22
87°
64°
23
86°
62°
24
88°
68°
25
89°
67°
26
89°
66°
27
87°
67°
28
88°
67°
29
88°
66°
30
87°
66°
1
87°
65°
2
86°
65°
3
87°
64°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Alvarado
Alvarado's September 2026 forecast shows daily high temperatures ranging from 86° to 103°, with overnight lows between 62° 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 Alvarado. See also: October | November | December.
