S
M
T
W
T
F
S
30
81°
61°
31
81°
64°
1
75°
62°
2
74°
64°
3
80°
64°
4
86°
60°
5
79°
58°
6
74°
59°
7
76°
60°
8
77°
57°
9
74°
58°
10
78°
59°
11
77°
61°
12
78°
60°
13
76°
58°
14
74°
56°
15
71°
55°
16
71°
59°
17
74°
54°
18
69°
51°
19
69°
51°
20
70°
55°
21
73°
58°
22
76°
59°
23
77°
58°
24
76°
57°
25
74°
56°
26
74°
56°
27
75°
57°
28
74°
56°
29
75°
54°
30
67°
49°
1
64°
49°
2
66°
54°
3
72°
54°
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 64° to 86°, with overnight lows between 49° and 64°. The average high for September is 74° 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 Guilford. See also: October | November | December.
