S
M
T
W
T
F
S
30
80°
61°
31
81°
56°
1
78°
55°
2
77°
54°
3
76°
53°
4
76°
53°
5
77°
54°
6
76°
58°
7
76°
55°
8
77°
56°
9
76°
53°
10
75°
56°
11
79°
59°
12
80°
59°
13
80°
58°
14
82°
57°
15
80°
54°
16
78°
56°
17
72°
58°
18
79°
57°
19
78°
56°
20
77°
51°
21
79°
48°
22
75°
48°
23
75°
53°
24
73°
55°
25
Hist. Avg.
74°
50°
26
Hist. Avg.
73°
50°
27
Hist. Avg.
73°
49°
28
Hist. Avg.
72°
49°
29
Hist. Avg.
72°
48°
30
Hist. Avg.
71°
48°
1
Hist. Avg.
71°
48°
2
Hist. Avg.
70°
47°
3
Hist. Avg.
70°
47°
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 72° to 82°, with overnight lows between 48° and 61°. The average high for September is 77° with an average low of 55°. 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.
