S
M
T
W
T
F
S
30
73°
64°
31
84°
66°
1
89°
69°
2
92°
71°
3
84°
67°
4
75°
66°
5
78°
58°
6
75°
55°
7
76°
53°
8
81°
56°
9
75°
68°
10
77°
56°
11
76°
50°
12
82°
59°
13
73°
51°
14
68°
46°
15
75°
58°
16
70°
63°
17
65°
60°
18
72°
54°
19
62°
55°
20
65°
53°
21
62°
45°
22
64°
51°
23
66°
49°
24
66°
48°
25
68°
45°
26
70°
46°
27
71°
49°
28
70°
47°
29
72°
50°
30
69°
49°
1
68°
48°
2
71°
42°
3
62°
48°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Howell
Howell's September 2026 forecast shows daily high temperatures ranging from 62° to 72°, with overnight lows between 42° and 53°. The average high for September is 67° with an average low of 48°. 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 Howell. See also: October | November | December.
