S
M
T
W
T
F
S
30
78°
47°
31
71°
52°
1
74°
50°
2
74°
46°
3
68°
55°
4
71°
60°
5
61°
55°
6
57°
52°
7
66°
50°
8
66°
44°
9
64°
40°
10
76°
49°
11
65°
45°
12
69°
42°
13
74°
44°
14
73°
48°
15
69°
45°
16
71°
44°
17
68°
53°
18
69°
51°
19
61°
43°
20
61°
37°
21
65°
42°
22
63°
38°
23
62°
35°
24
67°
34°
25
72°
36°
26
N/A
27
66°
54°
28
59°
52°
29
71°
56°
30
63°
55°
1
71°
51°
2
79°
52°
3
63°
41°
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 ° 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 Berwick. See also: October | November | December.
