S
M
T
W
T
F
S
30
82°
75°
31
81°
76°
1
82°
75°
2
81°
76°
3
82°
76°
4
83°
75°
5
83°
76°
6
82°
76°
7
83°
75°
8
83°
76°
9
82°
76°
10
83°
75°
11
83°
75°
12
82°
76°
13
81°
75°
14
82°
76°
15
81°
75°
16
81°
75°
17
82°
76°
18
81°
76°
19
82°
76°
20
Hist. Avg.
85°
76°
21
Hist. Avg.
85°
76°
22
Hist. Avg.
85°
76°
23
Hist. Avg.
85°
76°
24
Hist. Avg.
85°
76°
25
Hist. Avg.
85°
76°
26
Hist. Avg.
85°
76°
27
Hist. Avg.
85°
76°
28
Hist. Avg.
85°
76°
29
Hist. Avg.
85°
76°
30
Hist. Avg.
85°
75°
1
Hist. Avg.
85°
75°
2
Hist. Avg.
85°
75°
3
Hist. Avg.
85°
75°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
September Weather in Santa Maria
Santa Maria's September 2026 forecast shows daily high temperatures ranging from 81° to 83°, with overnight lows between 75° and 76°. The average high for September is 82° with an average low of 76°. 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.
