S
M
T
W
T
F
S
30
80°
54°
31
80°
53°
1
72°
54°
2
70°
61°
3
69°
61°
4
85°
62°
5
75°
59°
6
75°
53°
7
N/A
8
77°
54°
9
72°
66°
10
85°
57°
11
73°
46°
12
74°
54°
13
78°
61°
14
80°
57°
15
74°
59°
16
74°
51°
17
71°
51°
18
69°
52°
19
68°
47°
20
68°
49°
21
69°
48°
22
65°
52°
23
65°
53°
24
69°
52°
25
67°
52°
26
71°
51°
27
64°
47°
28
66°
50°
29
71°
51°
30
71°
51°
1
70°
50°
2
69°
51°
3
66°
49°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
September Weather in Berwick
Berwick's September 2026 forecast shows daily high temperatures ranging from 64° to 85°, with overnight lows between 46° and 66°. The average high for September is 71° with an average low of 52°. 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 Berwick. See also: October | November | December.
