S
M
T
W
T
F
S
30
73°
57°
31
79°
57°
1
80°
56°
2
81°
52°
3
76°
50°
4
78°
55°
5
77°
54°
6
77°
54°
7
71°
53°
8
70°
53°
9
76°
47°
10
70°
46°
11
69°
54°
12
77°
46°
13
74°
53°
14
76°
52°
15
69°
54°
16
68°
46°
17
74°
43°
18
67°
44°
19
Hist. Avg.
72°
52°
20
Hist. Avg.
72°
51°
21
Hist. Avg.
71°
51°
22
Hist. Avg.
71°
50°
23
Hist. Avg.
70°
50°
24
Hist. Avg.
70°
50°
25
Hist. Avg.
69°
50°
26
Hist. Avg.
69°
49°
27
Hist. Avg.
68°
49°
28
Hist. Avg.
68°
48°
29
Hist. Avg.
67°
48°
30
Hist. Avg.
67°
48°
1
Hist. Avg.
66°
47°
2
Hist. Avg.
66°
47°
3
Hist. Avg.
66°
47°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
September Weather in Constantia
Constantia's September 2026 forecast shows daily high temperatures ranging from 67° to 81°, with overnight lows between 43° and 57°. The average high for September is 74° with an average low of 51°. 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 Constantia. See also: October | November | December.
