S
M
T
W
T
F
S
30
85°
57°
31
91°
54°
1
87°
50°
2
83°
49°
3
80°
53°
4
82°
51°
5
86°
53°
6
88°
54°
7
83°
50°
8
77°
48°
9
76°
45°
10
77°
48°
11
79°
47°
12
79°
52°
13
76°
54°
14
76°
56°
15
74°
52°
16
75°
52°
17
75°
50°
18
74°
52°
19
73°
48°
20
75°
43°
21
78°
42°
22
72°
43°
23
72°
41°
24
73°
45°
25
79°
47°
26
81°
50°
27
Hist. Avg.
72°
45°
28
Hist. Avg.
72°
45°
29
Hist. Avg.
71°
45°
30
Hist. Avg.
70°
44°
1
Hist. Avg.
70°
44°
2
Hist. Avg.
69°
44°
3
Hist. Avg.
69°
43°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
September Weather in Brewster
Brewster's September 2026 forecast shows daily high temperatures ranging from 72° to 91°, with overnight lows between 41° and 57°. The average high for September is 79° with an average low of 50°. 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 Brewster. See also: October | November | December.
