S
M
T
W
T
F
S
30
83°
58°
31
74°
57°
1
75°
57°
2
74°
64°
3
80°
56°
4
77°
56°
5
73°
61°
6
74°
62°
7
81°
63°
8
80°
64°
9
81°
62°
10
80°
61°
11
73°
62°
12
75°
60°
13
Hist. Avg.
76°
54°
14
Hist. Avg.
76°
54°
15
Hist. Avg.
76°
54°
16
Hist. Avg.
75°
53°
17
Hist. Avg.
75°
53°
18
Hist. Avg.
75°
53°
19
Hist. Avg.
74°
52°
20
Hist. Avg.
74°
52°
21
Hist. Avg.
73°
52°
22
Hist. Avg.
73°
51°
23
Hist. Avg.
73°
51°
24
Hist. Avg.
72°
51°
25
Hist. Avg.
72°
50°
26
Hist. Avg.
71°
50°
27
Hist. Avg.
71°
49°
28
Hist. Avg.
70°
49°
29
Hist. Avg.
70°
49°
30
Hist. Avg.
69°
48°
1
Hist. Avg.
69°
48°
2
Hist. Avg.
68°
47°
3
Hist. Avg.
68°
47°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
September Weather in Chatham-Kent
Chatham-Kent's September 2026 forecast shows daily high temperatures ranging from 73° to 83°, with overnight lows between 56° and 64°. The average high for September is 77° with an average low of 60°. 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.
