S
M
T
W
T
F
S
30
78°
59°
31
79°
61°
1
81°
59°
2
79°
52°
3
78°
51°
4
76°
52°
5
76°
53°
6
78°
53°
7
82°
55°
8
82°
60°
9
83°
56°
10
81°
51°
11
77°
58°
12
78°
56°
13
80°
50°
14
76°
49°
15
75°
47°
16
74°
49°
17
75°
56°
18
79°
47°
19
75°
54°
20
76°
51°
21
80°
53°
22
76°
55°
23
80°
55°
24
74°
54°
25
78°
55°
26
79°
54°
27
80°
54°
28
80°
53°
29
79°
53°
30
80°
52°
1
79°
52°
2
79°
44°
3
78°
43°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Easton
Easton's September 2026 forecast shows daily high temperatures ranging from 74° to 83°, with overnight lows between 43° and 61°. The average high for September is 78° 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 Easton. See also: October | November | December.