S
M
T
W
T
F
S
30
76°
59°
31
80°
60°
1
81°
60°
2
81°
59°
3
80°
53°
4
79°
50°
5
72°
52°
6
73°
57°
7
75°
57°
8
78°
56°
9
77°
57°
10
78°
56°
11
77°
55°
12
77°
55°
13
76°
56°
14
76°
57°
15
77°
56°
16
77°
51°
17
76°
55°
18
73°
53°
19
75°
51°
20
72°
46°
21
68°
44°
22
67°
50°
23
67°
49°
24
73°
44°
25
66°
43°
26
65°
43°
27
67°
48°
28
71°
50°
29
72°
46°
30
70°
45°
1
63°
48°
2
64°
41°
3
63°
43°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in North Grafton
North Grafton's September 2026 forecast shows daily high temperatures ranging from 63° to 81°, with overnight lows between 41° 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 North Grafton. See also: October | November | December.
