S
M
T
W
T
F
S
30
71°
49°
31
72°
51°
1
73°
55°
2
73°
58°
3
74°
58°
4
82°
56°
5
82°
53°
6
75°
48°
7
71°
47°
8
72°
51°
9
75°
47°
10
74°
51°
11
73°
48°
12
73°
48°
13
74°
54°
14
78°
53°
15
72°
52°
16
69°
50°
17
68°
52°
18
69°
49°
19
72°
44°
20
67°
49°
21
72°
42°
22
67°
41°
23
66°
41°
24
65°
42°
25
66°
43°
26
68°
40°
27
64°
48°
28
67°
43°
29
66°
39°
30
62°
43°
1
63°
43°
2
71°
42°
3
64°
38°
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 62° to 82°, with overnight lows between 38° and 58°. The average high for September is 71° with an average low of 48°. 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.
