S
M
T
W
T
F
S
30
78°
68°
31
90°
71°
1
94°
77°
2
98°
77°
3
92°
69°
4
77°
68°
5
82°
64°
6
79°
60°
7
82°
60°
8
85°
62°
9
89°
71°
10
83°
69°
11
81°
62°
12
74°
64°
13
86°
66°
14
71°
56°
15
85°
57°
16
86°
71°
17
78°
69°
18
77°
64°
19
71°
63°
20
71°
62°
21
69°
57°
22
66°
55°
23
71°
56°
24
67°
42°
25
66°
47°
26
68°
47°
27
69°
52°
28
67°
51°
29
69°
54°
30
73°
59°
1
71°
54°
2
65°
50°
3
64°
52°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Chesterland
Chesterland's September 2026 forecast shows daily high temperatures ranging from 64° to 73°, with overnight lows between 42° and 59°. The average high for September is 68° with an average low of 51°. 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 Chesterland. See also: October | November | December.