S
M
T
W
T
F
S
30
76°
58°
31
80°
60°
1
81°
60°
2
81°
59°
3
80°
52°
4
77°
50°
5
72°
51°
6
73°
57°
7
76°
57°
8
79°
58°
9
78°
57°
10
72°
56°
11
78°
55°
12
77°
57°
13
77°
58°
14
76°
58°
15
77°
56°
16
77°
50°
17
75°
55°
18
75°
49°
19
73°
47°
20
70°
46°
21
66°
44°
22
66°
52°
23
67°
49°
24
68°
45°
25
65°
44°
26
65°
44°
27
67°
48°
28
72°
51°
29
71°
50°
30
71°
48°
1
65°
49°
2
65°
42°
3
64°
46°
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 64° to 81°, with overnight lows between 42° and 60°. The average high for September is 73° with an average low of 52°. 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.