S
M
T
W
T
F
S
30
74°
55°
31
72°
57°
1
77°
57°
2
78°
56°
3
77°
55°
4
74°
54°
5
73°
53°
6
72°
52°
7
72°
51°
8
71°
52°
9
72°
52°
10
74°
55°
11
77°
56°
12
78°
55°
13
79°
55°
14
79°
52°
15
77°
51°
16
75°
53°
17
75°
56°
18
78°
56°
19
79°
55°
20
79°
57°
21
78°
56°
22
74°
55°
23
75°
51°
24
73°
50°
25
72°
49°
26
71°
51°
27
71°
53°
28
75°
49°
29
76°
50°
30
73°
50°
1
Hist. Avg.
75°
52°
2
Hist. Avg.
75°
52°
3
Hist. Avg.
75°
52°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Santa Maria
Santa Maria's September 2026 forecast shows daily high temperatures ranging from 71° to 79°, with overnight lows between 49° and 57°. The average high for September is 75° with an average low of 53°. 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 Santa Maria. See also: October | November | December.
