S
M
T
W
T
F
S
30
82°
64°
31
86°
72°
1
91°
73°
2
93°
73°
3
95°
73°
4
84°
72°
5
81°
66°
6
77°
61°
7
N/A
8
85°
70°
9
88°
67°
10
73°
55°
11
78°
59°
12
81°
62°
13
84°
65°
14
84°
64°
15
79°
57°
16
75°
52°
17
71°
50°
18
71°
50°
19
69°
49°
20
71°
48°
21
69°
51°
22
70°
56°
23
73°
55°
24
78°
56°
25
79°
57°
26
79°
56°
27
78°
56°
28
79°
55°
29
78°
57°
30
78°
56°
1
77°
54°
2
75°
46°
3
63°
42°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
September Weather in De Graff
De Graff's September 2026 forecast shows daily high temperatures ranging from 63° to 88°, with overnight lows between 42° and 70°. The average high for September is 76° with an average low of 56°. 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 De Graff. See also: October | November | December.
