S
M
T
W
T
F
S
30
75°
59°
31
75°
59°
1
75°
55°
2
75°
52°
3
73°
54°
4
N/A
5
72°
44°
6
73°
50°
7
80°
56°
8
78°
55°
9
66°
46°
10
64°
47°
11
64°
49°
12
61°
48°
13
63°
46°
14
65°
45°
15
63°
45°
16
61°
46°
17
64°
46°
18
69°
49°
19
70°
52°
20
69°
51°
21
62°
49°
22
65°
49°
23
67°
50°
24
68°
50°
25
69°
49°
26
69°
50°
27
67°
50°
28
63°
48°
29
62°
43°
30
65°
43°
1
63°
42°
2
56°
41°
3
55°
42°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
September Weather in Stein
Stein's September 2026 forecast shows daily high temperatures ranging from 55° to 80°, with overnight lows between 41° and 56°. The average high for September is 66° 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 Stein. See also: October | November | December.
