S
M
T
W
T
F
S
30
69°
48°
31
70°
55°
1
73°
56°
2
69°
58°
3
74°
58°
4
78°
52°
5
79°
52°
6
69°
48°
7
66°
46°
8
70°
53°
9
72°
52°
10
74°
53°
11
72°
50°
12
69°
54°
13
71°
53°
14
75°
51°
15
68°
52°
16
64°
51°
17
63°
52°
18
65°
46°
19
71°
47°
20
63°
50°
21
68°
41°
22
62°
44°
23
62°
41°
24
66°
46°
25
69°
45°
26
67°
46°
27
63°
50°
28
63°
45°
29
67°
39°
30
59°
48°
1
63°
41°
2
68°
39°
3
58°
39°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Baldwin
Baldwin's September 2026 forecast shows daily high temperatures ranging from 58° to 79°, with overnight lows between 39° and 58°. The average high for September is 68° with an average low of 49°. 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 Baldwin. See also: October | November | December.