S
M
T
W
T
F
S
30
95°
63°
31
95°
70°
1
97°
72°
2
99°
72°
3
98°
74°
4
100°
73°
5
95°
70°
6
91°
68°
7
92°
68°
8
90°
67°
9
88°
68°
10
89°
69°
11
86°
64°
12
81°
63°
13
82°
62°
14
83°
60°
15
81°
64°
16
79°
65°
17
82°
64°
18
84°
64°
19
85°
63°
20
85°
64°
21
84°
63°
22
84°
63°
23
83°
62°
24
85°
63°
25
85°
63°
26
84°
61°
27
83°
62°
28
83°
62°
29
82°
61°
30
83°
60°
1
82°
60°
2
81°
59°
3
81°
59°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Sacramento
Sacramento's September 2026 forecast shows daily high temperatures ranging from 79° to 100°, with overnight lows between 59° and 74°. The average high for September is 86° with an average low of 65°. 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 Sacramento. See also: October | November | December.
