S
M
T
W
T
F
S
30
73°
49°
31
73°
48°
1
74°
53°
2
75°
57°
3
74°
58°
4
82°
58°
5
82°
56°
6
81°
48°
7
75°
48°
8
73°
47°
9
75°
46°
10
72°
48°
11
72°
50°
12
70°
47°
13
76°
52°
14
78°
53°
15
77°
51°
16
69°
52°
17
70°
51°
18
71°
50°
19
74°
44°
20
69°
45°
21
73°
42°
22
72°
41°
23
67°
41°
24
67°
42°
25
68°
45°
26
66°
41°
27
66°
43°
28
67°
44°
29
63°
39°
30
64°
39°
1
64°
45°
2
70°
39°
3
66°
40°
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 63° to 82°, with overnight lows between 39° and 58°. The average high for September is 72° with an average low of 47°. 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.
