S
M
T
W
T
F
S
30
72°
66°
31
79°
68°
1
91°
71°
2
92°
70°
3
85°
64°
4
81°
60°
5
79°
54°
6
77°
58°
7
79°
57°
8
72°
56°
9
74°
58°
10
77°
58°
11
74°
54°
12
74°
53°
13
73°
55°
14
74°
56°
15
78°
62°
16
77°
61°
17
77°
60°
18
71°
58°
19
75°
61°
20
78°
62°
21
78°
62°
22
77°
60°
23
78°
61°
24
77°
60°
25
76°
59°
26
75°
58°
27
76°
59°
28
76°
58°
29
75°
57°
30
72°
56°
1
71°
56°
2
73°
57°
3
74°
56°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Chatham-Kent
Chatham-Kent's September 2026 forecast shows daily high temperatures ranging from 71° to 92°, with overnight lows between 53° and 71°. The average high for September is 77° with an average low of 59°. 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 Chatham-Kent. See also: October | November | December.
