S
M
T
W
T
F
S
30
71°
50°
31
63°
48°
1
62°
44°
2
62°
45°
3
60°
39°
4
60°
44°
5
58°
44°
6
60°
43°
7
60°
35°
8
57°
37°
9
60°
34°
10
59°
36°
11
57°
36°
12
58°
37°
13
56°
36°
14
63°
39°
15
68°
45°
16
69°
46°
17
70°
46°
18
69°
47°
19
71°
46°
20
70°
47°
21
67°
45°
22
68°
44°
23
66°
37°
24
63°
37°
25
65°
41°
26
64°
41°
27
61°
40°
28
63°
37°
29
60°
40°
30
62°
39°
1
63°
40°
2
62°
39°
3
64°
32°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Calmar
Calmar's September 2026 forecast shows daily high temperatures ranging from 56° to 71°, with overnight lows between 32° and 50°. The average high for September is 63° with an average low of 41°. 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 Calmar. See also: October | November | December.
