S
M
T
W
T
F
S
30
80°
45°
31
78°
44°
1
72°
51°
2
81°
46°
3
79°
49°
4
74°
50°
5
80°
48°
6
79°
45°
7
79°
43°
8
70°
39°
9
68°
39°
10
66°
40°
11
66°
38°
12
67°
43°
13
68°
39°
14
67°
38°
15
66°
39°
16
65°
37°
17
64°
35°
18
63°
35°
19
63°
36°
20
64°
36°
21
68°
40°
22
72°
38°
23
69°
46°
24
72°
42°
25
66°
34°
26
64°
41°
27
65°
34°
28
62°
32°
29
60°
32°
30
61°
41°
1
60°
44°
2
65°
32°
3
71°
30°
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 60° to 81°, with overnight lows between 30° and 51°. The average high for September is 69° with an average low of 40°. 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.
