S
M
T
W
T
F
S
30
78°
64°
31
86°
70°
1
92°
75°
2
91°
73°
3
90°
73°
4
88°
73°
5
81°
68°
6
77°
59°
7
79°
55°
8
82°
61°
9
77°
66°
10
72°
55°
11
79°
52°
12
82°
61°
13
72°
52°
14
70°
46°
15
86°
63°
16
73°
66°
17
79°
64°
18
72°
59°
19
70°
59°
20
66°
59°
21
66°
54°
22
61°
48°
23
63°
54°
24
70°
52°
25
N/A
26
66°
43°
27
64°
41°
28
68°
45°
29
77°
46°
30
68°
61°
1
77°
59°
2
63°
45°
3
68°
43°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
September Weather in New Buffalo
New Buffalo'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 New Buffalo. See also: October | November | December.
