S
M
T
W
T
F
S
31
81°
61°
1
79°
59°
2
81°
59°
3
88°
56°
4
85°
49°
5
67°
50°
6
79°
43°
7
80°
53°
8
80°
64°
9
85°
55°
10
87°
61°
11
95°
61°
12
97°
69°
13
90°
66°
14
84°
59°
15
88°
50°
16
93°
57°
17
79°
56°
18
78°
52°
19
84°
47°
20
76°
50°
21
81°
57°
22
91°
56°
23
73°
61°
24
79°
58°
25
84°
51°
26
85°
47°
27
84°
52°
28
90°
50°
29
86°
52°
30
84°
63°
1
83°
59°
2
86°
51°
3
90°
54°
4
90°
67°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Stockton
Stockton's September 2025 forecast shows daily high temperatures ranging from ° to °, with overnight lows between ° and °. The average high for September is ° with an average low of °. 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 Stockton. See also: October | November | December.
