S
M
T
W
T
F
S
30
78°
51°
31
81°
52°
1
81°
53°
2
78°
50°
3
77°
50°
4
77°
51°
5
78°
53°
6
78°
52°
7
79°
52°
8
78°
53°
9
77°
56°
10
80°
57°
11
81°
56°
12
82°
56°
13
81°
58°
14
83°
58°
15
84°
56°
16
85°
56°
17
84°
54°
18
83°
54°
19
82°
53°
20
79°
54°
21
82°
55°
22
83°
55°
23
83°
54°
24
79°
55°
25
75°
55°
26
74°
53°
27
77°
54°
28
76°
55°
29
77°
54°
30
76°
55°
1
79°
53°
2
76°
52°
3
79°
55°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Fair Oaks
Fair Oaks's September 2026 forecast shows daily high temperatures ranging from 74° to 85°, with overnight lows between 50° and 58°. The average high for September is 79° with an average low of 54°. 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 Fair Oaks. See also: October | November | December.
