S
M
T
W
T
F
S
30
75°
64°
31
77°
69°
1
90°
70°
2
92°
73°
3
79°
64°
4
79°
64°
5
79°
56°
6
78°
54°
7
79°
49°
8
81°
55°
9
77°
68°
10
78°
57°
11
76°
47°
12
83°
58°
13
78°
48°
14
68°
43°
15
74°
60°
16
70°
61°
17
65°
58°
18
72°
48°
19
62°
55°
20
66°
54°
21
61°
47°
22
65°
45°
23
68°
47°
24
70°
44°
25
66°
41°
26
71°
36°
27
73°
42°
28
74°
43°
29
77°
46°
30
67°
55°
1
71°
60°
2
66°
45°
3
64°
43°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Flint
Flint's September 2026 forecast shows daily high temperatures ranging from ° to °, with overnight lows between ° and °. The average high for September is ° with an average low of °. 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 Flint. See also: October | November | December.
