S
M
T
W
T
F
S
30
82°
53°
31
77°
58°
1
69°
60°
2
72°
62°
3
76°
61°
4
83°
57°
5
77°
55°
6
73°
51°
7
78°
56°
8
75°
52°
9
74°
53°
10
76°
57°
11
77°
56°
12
77°
53°
13
76°
52°
14
74°
50°
15
70°
49°
16
70°
54°
17
74°
49°
18
68°
46°
19
68°
46°
20
70°
49°
21
74°
54°
22
76°
54°
23
77°
53°
24
76°
51°
25
74°
50°
26
74°
51°
27
75°
52°
28
75°
51°
29
74°
47°
30
65°
42°
1
63°
42°
2
65°
49°
3
72°
49°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Easthampton
Easthampton's September 2026 forecast shows daily high temperatures ranging from 63° to 83°, with overnight lows between 42° and 62°. The average high for September is 73° 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 Easthampton. See also: October | November | December.
