S
M
T
W
T
F
S
30
90°
70°
31
93°
69°
1
93°
73°
2
95°
73°
3
94°
71°
4
93°
73°
5
96°
73°
6
92°
68°
7
87°
67°
8
90°
66°
9
91°
67°
10
90°
67°
11
91°
64°
12
86°
62°
13
84°
60°
14
85°
61°
15
83°
65°
16
80°
64°
17
78°
62°
18
82°
64°
19
81°
62°
20
76°
60°
21
79°
59°
22
79°
58°
23
80°
59°
24
82°
61°
25
83°
61°
26
76°
60°
27
74°
61°
28
75°
61°
29
74°
60°
30
77°
60°
1
74°
59°
2
73°
59°
3
74°
58°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Cumming
Cumming's September 2026 forecast shows daily high temperatures ranging from 73° to 96°, with overnight lows between 58° and 73°. The average high for September is 83° with an average low of 64°. 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 Cumming. See also: October | November | December.
