S
M
T
W
T
F
S
30
79°
52°
31
80°
53°
1
79°
53°
2
80°
54°
3
79°
54°
4
78°
53°
5
78°
53°
6
77°
52°
7
75°
53°
8
76°
52°
9
76°
52°
10
75°
51°
11
77°
51°
12
77°
50°
13
76°
53°
14
77°
53°
15
76°
52°
16
75°
50°
17
73°
52°
18
72°
48°
19
70°
39°
20
65°
47°
21
66°
48°
22
67°
40°
23
65°
39°
24
64°
42°
25
66°
47°
26
71°
47°
27
64°
42°
28
64°
39°
29
63°
39°
30
63°
42°
1
64°
47°
2
64°
44°
3
63°
37°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in South New Berlin
South New Berlin's September 2026 forecast shows daily high temperatures ranging from 63° to 80°, with overnight lows between 37° and 54°. The average high for September is 72° 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 South New Berlin. See also: October | November | December.
