S
M
T
W
T
F
S
30
77°
61°
31
80°
55°
1
80°
52°
2
74°
51°
3
72°
56°
4
76°
61°
5
79°
60°
6
81°
52°
7
73°
54°
8
74°
57°
9
77°
58°
10
74°
58°
11
77°
58°
12
76°
58°
13
76°
56°
14
70°
50°
15
68°
48°
16
68°
47°
17
69°
56°
18
69°
52°
19
71°
57°
20
76°
55°
21
74°
50°
22
69°
46°
23
66°
48°
24
65°
46°
25
65°
45°
26
66°
51°
27
72°
53°
28
70°
53°
29
Hist. Avg.
65°
46°
30
Hist. Avg.
64°
46°
1
Hist. Avg.
64°
46°
2
Hist. Avg.
64°
45°
3
Hist. Avg.
63°
45°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
September Weather in Calcium
Calcium's September 2026 forecast shows daily high temperatures ranging from 65° to 81°, with overnight lows between 45° and 61°. The average high for September is 73° with an average low of 53°. 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 Calcium. See also: October | November | December.
