S
M
T
W
T
F
S
30
88°
58°
31
81°
60°
1
81°
65°
2
86°
59°
3
87°
64°
4
85°
66°
5
88°
63°
6
87°
57°
7
79°
56°
8
79°
56°
9
80°
62°
10
84°
62°
11
84°
57°
12
80°
57°
13
77°
56°
14
78°
61°
15
83°
58°
16
84°
53°
17
77°
53°
18
75°
52°
19
75°
53°
20
76°
52°
21
73°
52°
22
73°
53°
23
74°
51°
24
74°
57°
25
77°
57°
26
79°
58°
27
80°
51°
28
77°
58°
29
76°
57°
30
77°
55°
1
73°
54°
2
72°
49°
3
70°
47°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Stanford
Stanford's September 2026 forecast shows daily high temperatures ranging from 70° to 88°, with overnight lows between 47° and 66°. The average high for September is 79° with an average low of 57°. 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 Stanford. See also: October | November | December.
