S
M
T
W
T
F
S
30
79°
54°
31
75°
61°
1
73°
55°
2
79°
57°
3
79°
57°
4
79°
54°
5
79°
59°
6
75°
57°
7
72°
57°
8
75°
53°
9
75°
53°
10
77°
55°
11
77°
56°
12
78°
56°
13
78°
53°
14
75°
55°
15
77°
54°
16
76°
53°
17
75°
54°
18
75°
54°
19
76°
55°
20
77°
56°
21
74°
56°
22
72°
55°
23
71°
56°
24
72°
56°
25
73°
55°
26
73°
56°
27
75°
56°
28
75°
55°
29
76°
56°
30
76°
56°
1
77°
53°
2
72°
50°
3
73°
51°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Santiago Tepetitlán
Santiago Tepetitlán's September 2026 forecast shows daily high temperatures ranging from 71° to 78°, with overnight lows between 50° and 56°. The average high for September is 75° with an average low of 55°. 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 Santiago Tepetitlán. See also: October | November | December.
