S
M
T
W
T
F
S
30
80°
65°
31
85°
65°
1
85°
64°
2
86°
64°
3
86°
61°
4
84°
63°
5
79°
64°
6
84°
62°
7
81°
57°
8
75°
55°
9
76°
61°
10
75°
62°
11
82°
61°
12
82°
62°
13
83°
62°
14
83°
59°
15
81°
58°
16
73°
57°
17
73°
51°
18
74°
52°
19
73°
48°
20
71°
49°
21
70°
49°
22
71°
56°
23
74°
56°
24
78°
57°
25
78°
57°
26
77°
56°
27
78°
55°
28
76°
53°
29
75°
52°
30
74°
51°
1
72°
52°
2
76°
53°
3
76°
55°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Sugar Grove
Sugar Grove's September 2026 forecast shows daily high temperatures ranging from 70° to 86°, with overnight lows between 48° and 65°. The average high for September is 78° 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 Sugar Grove. See also: October | November | December.
