S
M
T
W
T
F
S
30
72°
52°
31
68°
48°
1
73°
42°
2
69°
53°
3
60°
54°
4
72°
58°
5
66°
53°
6
65°
46°
7
72°
50°
8
65°
44°
9
59°
41°
10
72°
53°
11
69°
45°
12
73°
53°
13
66°
56°
14
67°
46°
15
66°
51°
16
71°
52°
17
68°
49°
18
68°
49°
19
67°
45°
20
62°
43°
21
65°
42°
22
66°
44°
23
65°
46°
24
67°
43°
25
60°
38°
26
61°
39°
27
59°
45°
28
58°
44°
29
59°
43°
30
60°
43°
1
59°
46°
2
62°
45°
3
65°
45°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Guilford
Guilford's September 2026 forecast shows daily high temperatures ranging from 58° to 73°, with overnight lows between 38° and 56°. The average high for September is 64° with an average low of 46°. 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 Guilford. See also: October | November | December.
