S
M
T
W
T
F
S
30
95°
64°
31
94°
61°
1
95°
59°
2
94°
61°
3
91°
65°
4
94°
65°
5
95°
64°
6
96°
65°
7
94°
64°
8
93°
63°
9
94°
61°
10
92°
60°
11
90°
58°
12
85°
61°
13
90°
61°
14
91°
60°
15
91°
61°
16
85°
55°
17
90°
50°
18
83°
50°
19
80°
51°
20
80°
51°
21
81°
57°
22
86°
59°
23
89°
60°
24
88°
58°
25
89°
49°
26
87°
50°
27
78°
48°
28
83°
49°
29
77°
49°
30
84°
55°
1
78°
55°
2
82°
55°
3
Hist. Avg.
77°
53°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Sanford
Sanford's September 2026 forecast shows daily high temperatures ranging from 77° to 96°, with overnight lows between 48° and 65°. The average high for September is 88° with an average low of 57°. 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 Sanford. See also: October | November | December.