S
M
T
W
T
F
S
30
90°
59°
31
90°
58°
1
76°
60°
2
79°
58°
3
80°
57°
4
91°
60°
5
85°
58°
6
84°
59°
7
89°
53°
8
95°
57°
9
102°
68°
10
102°
62°
11
100°
65°
12
92°
64°
13
83°
60°
14
90°
61°
15
91°
59°
16
92°
56°
17
90°
56°
18
90°
56°
19
91°
59°
20
89°
59°
21
79°
59°
22
84°
58°
23
91°
53°
24
91°
54°
25
85°
65°
26
85°
58°
27
84°
58°
28
86°
54°
29
95°
63°
30
96°
57°
1
96°
57°
2
74°
64°
3
98°
60°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Tracy
Tracy's September 2026 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 Tracy. See also: October | November | December.