S
M
T
W
T
F
S
30
81°
48°
31
77°
55°
1
70°
50°
2
73°
45°
3
72°
52°
4
77°
61°
5
70°
54°
6
64°
39°
7
N/A
8
85°
60°
9
88°
55°
10
66°
47°
11
65°
51°
12
65°
49°
13
71°
50°
14
69°
53°
15
73°
54°
16
73°
54°
17
68°
49°
18
67°
50°
19
69°
48°
20
62°
49°
21
67°
52°
22
62°
49°
23
67°
52°
24
68°
52°
25
69°
51°
26
68°
50°
27
59°
46°
28
59°
43°
29
58°
42°
30
57°
48°
1
57°
46°
2
58°
43°
3
59°
42°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
September Weather in Chełmek
Chełmek's September 2026 forecast shows daily high temperatures ranging from 57° to 88°, with overnight lows between 42° and 60°. The average high for September is 67° with an average low of 49°. 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 Chełmek. See also: October | November | December.
