S
M
T
W
T
F
S
30
71°
58°
31
70°
61°
1
79°
66°
2
83°
65°
3
80°
65°
4
76°
60°
5
74°
56°
6
72°
52°
7
75°
49°
8
78°
53°
9
72°
64°
10
77°
53°
11
72°
48°
12
80°
66°
13
78°
55°
14
70°
51°
15
78°
58°
16
71°
54°
17
72°
51°
18
67°
50°
19
66°
50°
20
65°
50°
21
65°
51°
22
69°
49°
23
68°
47°
24
68°
51°
25
62°
42°
26
64°
47°
27
70°
51°
28
67°
45°
29
61°
41°
30
65°
51°
1
68°
49°
2
62°
47°
3
67°
50°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Baldwinsville
Baldwinsville's September 2026 forecast shows daily high temperatures ranging from 61° to 80°, with overnight lows between 41° and 66°. The average high for September is 69° with an average low of 50°. 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 Baldwinsville. See also: October | November | December.
