S
M
T
W
T
F
S
30
90°
54°
31
87°
55°
1
81°
51°
2
80°
53°
3
86°
56°
4
86°
58°
5
88°
49°
6
81°
52°
7
83°
46°
8
Hist. Avg.
83°
54°
9
Hist. Avg.
83°
53°
10
Hist. Avg.
82°
53°
11
Hist. Avg.
82°
53°
12
Hist. Avg.
82°
52°
13
Hist. Avg.
81°
52°
14
Hist. Avg.
81°
52°
15
Hist. Avg.
81°
51°
16
Hist. Avg.
80°
51°
17
Hist. Avg.
80°
50°
18
Hist. Avg.
80°
50°
19
Hist. Avg.
79°
49°
20
Hist. Avg.
79°
49°
21
Hist. Avg.
78°
48°
22
Hist. Avg.
78°
48°
23
Hist. Avg.
77°
48°
24
Hist. Avg.
77°
47°
25
Hist. Avg.
76°
47°
26
Hist. Avg.
76°
46°
27
Hist. Avg.
76°
46°
28
Hist. Avg.
75°
45°
29
Hist. Avg.
74°
45°
30
Hist. Avg.
74°
44°
1
Hist. Avg.
74°
44°
2
Hist. Avg.
73°
43°
3
Hist. Avg.
73°
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 80° to 90°, with overnight lows between 46° and 58°. The average high for September is 85° with an average low of 53°. 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.
